diff --git a/Cargo.toml b/Cargo.toml
index 063a9d7..dea0b89 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,6 +17,7 @@ serde_json = "1.0"
 chrono = { version = "0.4", features = ["serde"]}
 reqwest = "0.11"
 ece = "2.2"
+base64 = "0.13"
 
 #[dev-dependencies]
 
diff --git a/src/core/set.rs b/src/core/set.rs
index caa0247..5d13b3c 100644
--- a/src/core/set.rs
+++ b/src/core/set.rs
@@ -1,3 +1,4 @@
+use chrono::{DateTime, NaiveDateTime, Utc};
 use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
 use std::hash::Hash;
@@ -66,4 +67,46 @@ pub enum SetErrorType {
     InvalidProperties,
     #[serde(rename = "singleton")]
     Singleton,
+    #[serde(rename = "mailboxHasChild")]
+    MailboxHasChild,
+    #[serde(rename = "mailboxHasEmail")]
+    MailboxHasEmail,
+    #[serde(rename = "blobNotFound")]
+    BlobNotFound,
+    #[serde(rename = "tooManyKeywords")]
+    TooManyKeywords,
+    #[serde(rename = "tooManyMailboxes")]
+    TooManyMailboxes,
+    #[serde(rename = "forbiddenFrom")]
+    ForbiddenFrom,
+    #[serde(rename = "invalidEmail")]
+    InvalidEmail,
+    #[serde(rename = "tooManyRecipients")]
+    TooManyRecipients,
+    #[serde(rename = "noRecipients")]
+    NoRecipients,
+    #[serde(rename = "invalidRecipients")]
+    InvalidRecipients,
+    #[serde(rename = "forbiddenMailFrom")]
+    ForbiddenMailFrom,
+    #[serde(rename = "forbiddenToSend")]
+    ForbiddenToSend,
+    #[serde(rename = "cannotUnsend")]
+    CannotUnsend,
+}
+
+pub fn from_timestamp(timestamp: i64) -> DateTime<Utc> {
+    DateTime::<Utc>::from_utc(NaiveDateTime::from_timestamp(timestamp, 0), Utc)
+}
+
+pub fn string_not_set(string: &Option<String>) -> bool {
+    matches!(string, Some(string) if string.is_empty())
+}
+
+pub fn date_not_set(date: &Option<DateTime<Utc>>) -> bool {
+    matches!(date, Some(date) if date.timestamp() == 0)
+}
+
+pub fn list_not_set<T>(list: &Option<Vec<T>>) -> bool {
+    matches!(list, Some(list) if list.is_empty() )
 }
diff --git a/src/email/get.rs b/src/email/get.rs
new file mode 100644
index 0000000..5957bed
--- /dev/null
+++ b/src/email/get.rs
@@ -0,0 +1,213 @@
+use crate::Get;
+
+use super::{
+    Email, EmailAddress, EmailAddressGroup, EmailBodyPart, EmailBodyValue, EmailHeader, Field,
+};
+
+impl Email<Get> {
+    pub fn id(&self) -> &str {
+        self.id.as_ref().unwrap()
+    }
+
+    pub fn blob_id(&self) -> &str {
+        self.blob_id.as_ref().unwrap()
+    }
+
+    pub fn thread_id(&self) -> &str {
+        self.thread_id.as_ref().unwrap()
+    }
+
+    pub fn mailbox_ids(&self) -> Vec<&str> {
+        self.mailbox_ids
+            .as_ref()
+            .unwrap()
+            .iter()
+            .filter(|(_, v)| **v)
+            .map(|(k, _)| k.as_str())
+            .collect()
+    }
+
+    pub fn keywords(&self) -> Vec<&str> {
+        self.keywords
+            .as_ref()
+            .unwrap()
+            .iter()
+            .filter(|(_, v)| **v)
+            .map(|(k, _)| k.as_str())
+            .collect()
+    }
+
+    pub fn size(&self) -> usize {
+        self.size.unwrap()
+    }
+
+    pub fn received_at(&self) -> i64 {
+        self.received_at.as_ref().unwrap().timestamp()
+    }
+
+    pub fn message_id(&self) -> Option<&[String]> {
+        self.message_id.as_deref()
+    }
+
+    pub fn in_reply_to(&self) -> Option<&[String]> {
+        self.in_reply_to.as_deref()
+    }
+
+    pub fn references(&self) -> Option<&[String]> {
+        self.references.as_deref()
+    }
+
+    pub fn sender(&self) -> Option<&[EmailAddress]> {
+        self.sender.as_deref()
+    }
+
+    pub fn from(&self) -> Option<&[EmailAddress]> {
+        self.from.as_deref()
+    }
+
+    pub fn to(&self) -> Option<&[EmailAddress]> {
+        self.to.as_deref()
+    }
+
+    pub fn cc(&self) -> Option<&[EmailAddress]> {
+        self.cc.as_deref()
+    }
+
+    pub fn bcc(&self) -> Option<&[EmailAddress]> {
+        self.bcc.as_deref()
+    }
+
+    pub fn subject(&self) -> Option<&str> {
+        self.subject.as_deref()
+    }
+
+    pub fn sent_at(&self) -> Option<i64> {
+        self.sent_at.as_ref().map(|v| v.timestamp())
+    }
+
+    pub fn body_structure(&self) -> Option<&EmailBodyPart> {
+        self.body_structure.as_deref()
+    }
+
+    pub fn body_value(&self, id: &str) -> Option<&EmailBodyValue> {
+        self.body_values.as_ref().and_then(|v| v.get(id))
+    }
+
+    pub fn text_body(&self) -> Option<&[EmailBodyPart]> {
+        self.text_body.as_deref()
+    }
+
+    pub fn html_body(&self) -> Option<&[EmailBodyPart]> {
+        self.html_body.as_deref()
+    }
+
+    pub fn attachments(&self) -> Option<&[EmailBodyPart]> {
+        self.attachments.as_deref()
+    }
+
+    pub fn has_attachment(&self) -> bool {
+        *self.has_attachment.as_ref().unwrap_or(&false)
+    }
+
+    pub fn header(&self, id: &str) -> Option<&Field> {
+        self.others.get(id).and_then(|v| v.as_ref())
+    }
+
+    pub fn has_header(&self, id: &str) -> bool {
+        self.others.contains_key(id)
+    }
+}
+
+impl EmailBodyPart<Get> {
+    pub fn part_id(&self) -> Option<&str> {
+        self.part_id.as_deref()
+    }
+
+    pub fn blob_id(&self) -> Option<&str> {
+        self.blob_id.as_deref()
+    }
+
+    pub fn size(&self) -> usize {
+        *self.size.as_ref().unwrap_or(&0)
+    }
+
+    pub fn headers(&self) -> Option<&[EmailHeader]> {
+        self.headers.as_deref()
+    }
+
+    pub fn name(&self) -> Option<&str> {
+        self.name.as_deref()
+    }
+
+    pub fn charset(&self) -> Option<&str> {
+        self.charset.as_deref()
+    }
+
+    pub fn content_type(&self) -> Option<&str> {
+        self.type_.as_deref()
+    }
+
+    pub fn content_disposition(&self) -> Option<&str> {
+        self.disposition.as_deref()
+    }
+
+    pub fn content_id(&self) -> Option<&str> {
+        self.cid.as_deref()
+    }
+
+    pub fn content_language(&self) -> Option<&[String]> {
+        self.language.as_deref()
+    }
+
+    pub fn content_location(&self) -> Option<&str> {
+        self.location.as_deref()
+    }
+
+    pub fn sub_parts(&self) -> Option<&[EmailBodyPart]> {
+        self.sub_parts.as_deref()
+    }
+}
+
+impl EmailBodyValue<Get> {
+    pub fn value(&self) -> &str {
+        self.value.as_str()
+    }
+
+    pub fn is_encoding_problem(&self) -> bool {
+        self.is_encoding_problem
+    }
+
+    pub fn is_truncated(&self) -> bool {
+        self.is_truncated
+    }
+}
+
+impl EmailAddress<Get> {
+    pub fn name(&self) -> Option<&str> {
+        self.name.as_deref()
+    }
+
+    pub fn email(&self) -> &str {
+        self.email.as_str()
+    }
+}
+
+impl EmailAddressGroup<Get> {
+    pub fn name(&self) -> Option<&str> {
+        self.name.as_deref()
+    }
+
+    pub fn addresses(&self) -> &[EmailAddress] {
+        self.addresses.as_ref()
+    }
+}
+
+impl EmailHeader<Get> {
+    pub fn name(&self) -> &str {
+        self.name.as_str()
+    }
+
+    pub fn value(&self) -> &str {
+        self.value.as_str()
+    }
+}
diff --git a/src/email/mod.rs b/src/email/mod.rs
new file mode 100644
index 0000000..8e2545d
--- /dev/null
+++ b/src/email/mod.rs
@@ -0,0 +1,307 @@
+pub mod get;
+pub mod set;
+
+use chrono::{DateTime, Utc};
+use serde::{Deserialize, Serialize};
+use std::collections::HashMap;
+
+use crate::Get;
+
+#[derive(Debug, Default, Clone, Serialize, Deserialize)]
+pub struct Email<State = Get> {
+    #[serde(skip)]
+    _state: std::marker::PhantomData<State>,
+
+    #[serde(rename = "id")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    id: Option<String>,
+
+    #[serde(rename = "blobId")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    blob_id: Option<String>,
+
+    #[serde(rename = "threadId")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    thread_id: Option<String>,
+
+    #[serde(rename = "mailboxIds")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    mailbox_ids: Option<HashMap<String, bool>>,
+
+    #[serde(rename = "keywords")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    keywords: Option<HashMap<String, bool>>,
+
+    #[serde(rename = "size")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    size: Option<usize>,
+
+    #[serde(rename = "receivedAt")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    received_at: Option<DateTime<Utc>>,
+
+    #[serde(rename = "messageId", alias = "header:Message-ID:asMessageIds")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    message_id: Option<Vec<String>>,
+
+    #[serde(rename = "inReplyTo", alias = "header:In-Reply-To:asMessageIds")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    in_reply_to: Option<Vec<String>>,
+
+    #[serde(rename = "references", alias = "header:References:asMessageIds")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    references: Option<Vec<String>>,
+
+    #[serde(rename = "sender", alias = "header:Sender:asAddresses")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    sender: Option<Vec<EmailAddress>>,
+
+    #[serde(rename = "from", alias = "header:From:asAddresses")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    from: Option<Vec<EmailAddress>>,
+
+    #[serde(rename = "to", alias = "header:To:asAddresses")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    to: Option<Vec<EmailAddress>>,
+
+    #[serde(rename = "cc", alias = "header:Cc:asAddresses")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    cc: Option<Vec<EmailAddress>>,
+
+    #[serde(rename = "bcc", alias = "header:Bcc:asAddresses")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    bcc: Option<Vec<EmailAddress>>,
+
+    #[serde(rename = "replyTo", alias = "header:Reply-To:asAddresses")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    reply_to: Option<Vec<EmailAddress>>,
+
+    #[serde(rename = "subject", alias = "header:Subject:asText")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    subject: Option<String>,
+
+    #[serde(rename = "sentAt", alias = "header:Date:asDate")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    sent_at: Option<DateTime<Utc>>,
+
+    #[serde(rename = "bodyStructure")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    body_structure: Option<Box<EmailBodyPart>>,
+
+    #[serde(rename = "bodyValues")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    body_values: Option<HashMap<String, EmailBodyValue>>,
+
+    #[serde(rename = "textBody")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    text_body: Option<Vec<EmailBodyPart>>,
+
+    #[serde(rename = "htmlBody")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    html_body: Option<Vec<EmailBodyPart>>,
+
+    #[serde(rename = "attachments")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    attachments: Option<Vec<EmailBodyPart>>,
+
+    #[serde(rename = "hasAttachment")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    has_attachment: Option<bool>,
+
+    #[serde(rename = "preview")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    preview: Option<String>,
+
+    #[serde(flatten)]
+    #[serde(skip_serializing_if = "HashMap::is_empty")]
+    others: HashMap<String, Option<Field>>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct EmailBodyPart<State = Get> {
+    #[serde(skip)]
+    _state: std::marker::PhantomData<State>,
+
+    #[serde(rename = "partId")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    part_id: Option<String>,
+
+    #[serde(rename = "blobId")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    blob_id: Option<String>,
+
+    #[serde(rename = "size")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    size: Option<usize>,
+
+    #[serde(rename = "headers")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    headers: Option<Vec<EmailHeader>>,
+
+    #[serde(rename = "name")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    name: Option<String>,
+
+    #[serde(rename = "type")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    type_: Option<String>,
+
+    #[serde(rename = "charset")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    charset: Option<String>,
+
+    #[serde(rename = "disposition")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    disposition: Option<String>,
+
+    #[serde(rename = "cid")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    cid: Option<String>,
+
+    #[serde(rename = "language")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    language: Option<Vec<String>>,
+
+    #[serde(rename = "location")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    location: Option<String>,
+
+    #[serde(rename = "subParts")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    sub_parts: Option<Vec<EmailBodyPart>>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct EmailBodyValue<State = Get> {
+    #[serde(skip)]
+    _state: std::marker::PhantomData<State>,
+
+    #[serde(rename = "value")]
+    value: String,
+
+    #[serde(rename = "isEncodingProblem")]
+    is_encoding_problem: bool,
+
+    #[serde(rename = "isTruncated")]
+    is_truncated: bool,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(untagged)]
+pub enum Field {
+    Text(String),
+    TextList(Vec<String>),
+    Date(DateTime<Utc>),
+    Addresses(Vec<EmailAddress>),
+    GroupedAddresses(Vec<EmailAddressGroup>),
+    Bool(bool),
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct EmailAddress<State = Get> {
+    #[serde(skip)]
+    _state: std::marker::PhantomData<State>,
+
+    name: Option<String>,
+    email: String,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct EmailAddressGroup<State = Get> {
+    #[serde(skip)]
+    _state: std::marker::PhantomData<State>,
+
+    name: Option<String>,
+    addresses: Vec<EmailAddress>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct EmailHeader<State = Get> {
+    #[serde(skip)]
+    _state: std::marker::PhantomData<State>,
+
+    name: String,
+    value: String,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub enum EmailProperty {
+    #[serde(rename = "id")]
+    Id,
+    #[serde(rename = "blobId")]
+    BlobId,
+    #[serde(rename = "threadId")]
+    ThreadId,
+    #[serde(rename = "mailboxIds")]
+    MailboxIds,
+    #[serde(rename = "keywords")]
+    Keywords,
+    #[serde(rename = "size")]
+    Size,
+    #[serde(rename = "receivedAt")]
+    ReceivedAt,
+    #[serde(rename = "messageId")]
+    MessageId,
+    #[serde(rename = "inReplyTo")]
+    InReplyTo,
+    #[serde(rename = "references")]
+    References,
+    #[serde(rename = "sender")]
+    Sender,
+    #[serde(rename = "from")]
+    From,
+    #[serde(rename = "to")]
+    To,
+    #[serde(rename = "cc")]
+    Cc,
+    #[serde(rename = "bcc")]
+    Bcc,
+    #[serde(rename = "replyTo")]
+    ReplyTo,
+    #[serde(rename = "subject")]
+    Subject,
+    #[serde(rename = "sentAt")]
+    SentAt,
+    #[serde(rename = "bodyStructure")]
+    BodyStructure,
+    #[serde(rename = "bodyValues")]
+    BodyValues,
+    #[serde(rename = "textBody")]
+    TextBody,
+    #[serde(rename = "htmlBody")]
+    HtmlBody,
+    #[serde(rename = "attachments")]
+    Attachments,
+    #[serde(rename = "hasAttachment")]
+    HasAttachment,
+    #[serde(rename = "preview")]
+    Preview,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub enum EmailBodyProperty {
+    #[serde(rename = "partId")]
+    PartId,
+    #[serde(rename = "blobId")]
+    BlobId,
+    #[serde(rename = "size")]
+    Size,
+    #[serde(rename = "headers")]
+    Headers,
+    #[serde(rename = "name")]
+    Name,
+    #[serde(rename = "type")]
+    Type,
+    #[serde(rename = "charset")]
+    Charset,
+    #[serde(rename = "disposition")]
+    Disposition,
+    #[serde(rename = "cid")]
+    Cid,
+    #[serde(rename = "language")]
+    Language,
+    #[serde(rename = "location")]
+    Location,
+    #[serde(rename = "subParts")]
+    SubParts,
+}
diff --git a/src/email/set.rs b/src/email/set.rs
new file mode 100644
index 0000000..5469886
--- /dev/null
+++ b/src/email/set.rs
@@ -0,0 +1,355 @@
+use std::collections::HashMap;
+
+use crate::{core::set::from_timestamp, Set};
+
+use super::{
+    Email, EmailAddress, EmailAddressGroup, EmailBodyPart, EmailBodyValue, EmailHeader, Field,
+};
+
+impl Email<Set> {
+    pub fn mailbox_ids(mut self, mailbox_ids: impl Iterator<Item = String>) -> Self {
+        self.mailbox_ids = Some(mailbox_ids.into_iter().map(|s| (s, true)).collect());
+        self
+    }
+
+    pub fn mailbox_id(mut self, mailbox_id: &str, set: bool) -> Self {
+        self.mailbox_ids = None;
+        self.others.insert(
+            format!("mailboxIds/{}", mailbox_id),
+            Field::Bool(set).into(),
+        );
+        self
+    }
+
+    pub fn keywords(mut self, keywords: impl Iterator<Item = String>) -> Self {
+        self.keywords = Some(keywords.into_iter().map(|s| (s, true)).collect());
+        self
+    }
+
+    pub fn keyword(mut self, keyword: &str, set: bool) -> Self {
+        self.keywords = None;
+        self.others
+            .insert(format!("keywords/{}", keyword), Field::Bool(set).into());
+        self
+    }
+
+    pub fn message_id(mut self, message_id: impl Iterator<Item = String>) -> Self {
+        self.message_id = Some(message_id.into_iter().collect());
+        self
+    }
+
+    pub fn in_reply_to(mut self, in_reply_to: impl Iterator<Item = String>) -> Self {
+        self.in_reply_to = Some(in_reply_to.into_iter().collect());
+        self
+    }
+
+    pub fn references(mut self, references: impl Iterator<Item = String>) -> Self {
+        self.references = Some(references.into_iter().collect());
+        self
+    }
+
+    pub fn sender<T, U>(mut self, sender: T) -> Self
+    where
+        T: Iterator<Item = U>,
+        U: Into<EmailAddress>,
+    {
+        self.sender = Some(sender.map(|s| s.into()).collect());
+        self
+    }
+
+    pub fn from<T, U>(mut self, from: T) -> Self
+    where
+        T: Iterator<Item = U>,
+        U: Into<EmailAddress>,
+    {
+        self.from = Some(from.map(|s| s.into()).collect());
+        self
+    }
+
+    pub fn to<T, U>(mut self, to: T) -> Self
+    where
+        T: Iterator<Item = U>,
+        U: Into<EmailAddress>,
+    {
+        self.to = Some(to.map(|s| s.into()).collect());
+        self
+    }
+
+    pub fn cc<T, U>(mut self, cc: T) -> Self
+    where
+        T: Iterator<Item = U>,
+        U: Into<EmailAddress>,
+    {
+        self.cc = Some(cc.map(|s| s.into()).collect());
+        self
+    }
+
+    pub fn bcc<T, U>(mut self, bcc: T) -> Self
+    where
+        T: Iterator<Item = U>,
+        U: Into<EmailAddress>,
+    {
+        self.bcc = Some(bcc.map(|s| s.into()).collect());
+        self
+    }
+
+    pub fn reply_to<T, U>(mut self, reply_to: T) -> Self
+    where
+        T: Iterator<Item = U>,
+        U: Into<EmailAddress>,
+    {
+        self.reply_to = Some(reply_to.map(|s| s.into()).collect());
+        self
+    }
+
+    pub fn subject(mut self, subject: String) -> Self {
+        self.subject = Some(subject);
+        self
+    }
+
+    pub fn sent_at(mut self, sent_at: i64) -> Self {
+        self.sent_at = Some(from_timestamp(sent_at));
+        self
+    }
+
+    pub fn body_structure(mut self, body_structure: EmailBodyPart) -> Self {
+        self.body_structure = Some(body_structure.into());
+        self
+    }
+
+    pub fn body_value(mut self, id: String, body_value: impl Into<EmailBodyValue>) -> Self {
+        self.body_values
+            .get_or_insert_with(HashMap::new)
+            .insert(id, body_value.into());
+        self
+    }
+
+    pub fn text_body(mut self, text_body: EmailBodyPart) -> Self {
+        self.text_body.get_or_insert_with(Vec::new).push(text_body);
+        self
+    }
+
+    pub fn html_body(mut self, html_body: EmailBodyPart) -> Self {
+        self.html_body.get_or_insert_with(Vec::new).push(html_body);
+        self
+    }
+
+    pub fn attachment(mut self, attachment: EmailBodyPart) -> Self {
+        self.attachments
+            .get_or_insert_with(Vec::new)
+            .push(attachment);
+        self
+    }
+
+    pub fn header(mut self, header: String, value: impl Into<Field>) -> Self {
+        self.others.insert(header, Some(value.into()));
+        self
+    }
+}
+
+impl Email {
+    pub fn new() -> Email<Set> {
+        Email {
+            _state: Default::default(),
+            id: Default::default(),
+            blob_id: Default::default(),
+            thread_id: Default::default(),
+            mailbox_ids: Default::default(),
+            keywords: Default::default(),
+            size: Default::default(),
+            received_at: Default::default(),
+            message_id: Default::default(),
+            in_reply_to: Default::default(),
+            references: Default::default(),
+            sender: Default::default(),
+            from: Default::default(),
+            to: Default::default(),
+            cc: Default::default(),
+            bcc: Default::default(),
+            reply_to: Default::default(),
+            subject: Default::default(),
+            sent_at: Default::default(),
+            body_structure: Default::default(),
+            body_values: Default::default(),
+            text_body: Default::default(),
+            html_body: Default::default(),
+            attachments: Default::default(),
+            has_attachment: Default::default(),
+            preview: Default::default(),
+            others: Default::default(),
+        }
+    }
+}
+
+impl EmailBodyPart {
+    pub fn new() -> EmailBodyPart<Set> {
+        EmailBodyPart {
+            part_id: None,
+            blob_id: None,
+            size: None,
+            headers: None,
+            name: None,
+            type_: None,
+            charset: None,
+            disposition: None,
+            cid: None,
+            language: None,
+            location: None,
+            sub_parts: None,
+            _state: Default::default(),
+        }
+    }
+}
+
+impl EmailBodyPart<Set> {
+    pub fn part_id(mut self, part_id: String) -> Self {
+        self.part_id = Some(part_id);
+        self
+    }
+
+    pub fn blob_id(mut self, blob_id: String) -> Self {
+        self.blob_id = Some(blob_id);
+        self
+    }
+
+    pub fn name(mut self, name: String) -> Self {
+        self.name = Some(name);
+        self
+    }
+
+    pub fn content_type(mut self, content_type: String) -> Self {
+        self.type_ = Some(content_type);
+        self
+    }
+
+    pub fn content_id(mut self, content_id: String) -> Self {
+        self.cid = Some(content_id);
+        self
+    }
+
+    pub fn content_language(mut self, content_language: impl Iterator<Item = String>) -> Self {
+        self.language = Some(content_language.into_iter().collect());
+        self
+    }
+
+    pub fn content_location(mut self, content_location: String) -> Self {
+        self.location = Some(content_location);
+        self
+    }
+
+    pub fn sub_part(mut self, sub_part: EmailBodyPart) -> Self {
+        self.sub_parts.get_or_insert_with(Vec::new).push(sub_part);
+        self
+    }
+}
+
+impl From<String> for EmailBodyValue {
+    fn from(value: String) -> Self {
+        EmailBodyValue {
+            value,
+            is_encoding_problem: false,
+            is_truncated: false,
+            _state: Default::default(),
+        }
+    }
+}
+
+impl From<&str> for EmailBodyValue {
+    fn from(value: &str) -> Self {
+        EmailBodyValue {
+            value: value.to_string(),
+            is_encoding_problem: false,
+            is_truncated: false,
+            _state: Default::default(),
+        }
+    }
+}
+
+impl EmailAddress {
+    pub fn new(email: String) -> EmailAddress<Set> {
+        EmailAddress {
+            _state: Default::default(),
+            name: None,
+            email,
+        }
+    }
+}
+
+impl EmailAddress<Set> {
+    pub fn name(mut self, name: String) -> Self {
+        self.name = Some(name);
+        self
+    }
+}
+
+impl From<String> for EmailAddress {
+    fn from(email: String) -> Self {
+        EmailAddress {
+            _state: Default::default(),
+            name: None,
+            email,
+        }
+    }
+}
+
+impl From<(String, String)> for EmailAddress {
+    fn from(parts: (String, String)) -> Self {
+        EmailAddress {
+            _state: Default::default(),
+            name: parts.0.into(),
+            email: parts.1,
+        }
+    }
+}
+
+impl From<&str> for EmailAddress {
+    fn from(email: &str) -> Self {
+        EmailAddress {
+            _state: Default::default(),
+            name: None,
+            email: email.to_string(),
+        }
+    }
+}
+
+impl From<(&str, &str)> for EmailAddress {
+    fn from(parts: (&str, &str)) -> Self {
+        EmailAddress {
+            _state: Default::default(),
+            name: parts.0.to_string().into(),
+            email: parts.1.to_string(),
+        }
+    }
+}
+
+impl EmailAddressGroup {
+    pub fn new() -> EmailAddressGroup<Set> {
+        EmailAddressGroup {
+            _state: Default::default(),
+            name: None,
+            addresses: Vec::new(),
+        }
+    }
+}
+
+impl EmailAddressGroup<Set> {
+    pub fn name(mut self, name: String) -> Self {
+        self.name = Some(name);
+        self
+    }
+
+    pub fn address(mut self, address: impl Into<EmailAddress>) -> Self {
+        self.addresses.push(address.into());
+        self
+    }
+}
+
+impl EmailHeader {
+    pub fn new(name: String, value: String) -> EmailHeader<Set> {
+        EmailHeader {
+            _state: Default::default(),
+            name,
+            value,
+        }
+    }
+}
diff --git a/src/email_submission/get.rs b/src/email_submission/get.rs
new file mode 100644
index 0000000..287415e
--- /dev/null
+++ b/src/email_submission/get.rs
@@ -0,0 +1,80 @@
+use crate::Get;
+
+use super::{Address, Delivered, DeliveryStatus, Displayed, EmailSubmission, UndoStatus};
+
+impl EmailSubmission<Get> {
+    pub fn id(&self) -> &str {
+        self.id.as_ref().unwrap()
+    }
+
+    pub fn identity_id(&self) -> &str {
+        self.identity_id.as_ref().unwrap()
+    }
+
+    pub fn email_id(&self) -> &str {
+        self.email_id.as_ref().unwrap()
+    }
+
+    pub fn thread_id(&self) -> &str {
+        self.thread_id.as_ref().unwrap()
+    }
+
+    pub fn mail_from(&self) -> Option<&Address> {
+        self.envelope.as_ref().map(|e| &e.mail_from)
+    }
+
+    pub fn rcpt_to(&self) -> Option<&[Address]> {
+        self.envelope.as_ref().map(|e| e.rcpt_to.as_ref())
+    }
+
+    pub fn send_at(&self) -> i64 {
+        self.send_at.as_ref().unwrap().timestamp()
+    }
+
+    pub fn undo_status(&self) -> &UndoStatus {
+        self.undo_status.as_ref().unwrap()
+    }
+
+    pub fn delivery_status(&self, email: &str) -> Option<&DeliveryStatus> {
+        self.delivery_status.as_ref().and_then(|ds| ds.get(email))
+    }
+
+    pub fn dsn_blob_ids(&self) -> Option<&[String]> {
+        self.dsn_blob_ids.as_deref()
+    }
+
+    pub fn mdn_blob_ids(&self) -> Option<&[String]> {
+        self.mdn_blob_ids.as_deref()
+    }
+}
+
+impl Address<Get> {
+    pub fn email(&self) -> &str {
+        &self.email
+    }
+
+    pub fn parameter(&self, param: &str) -> Option<&str> {
+        self.parameters.as_ref()?.get(param)?.as_deref()
+    }
+
+    pub fn has_parameter(&self, param: &str) -> bool {
+        self.parameters
+            .as_ref()
+            .map(|ps| ps.contains_key(param))
+            .unwrap_or(false)
+    }
+}
+
+impl DeliveryStatus {
+    pub fn smtp_reply(&self) -> &str {
+        &self.smtp_reply
+    }
+
+    pub fn delivered(&self) -> &Delivered {
+        &self.delivered
+    }
+
+    pub fn displayed(&self) -> &Displayed {
+        &self.displayed
+    }
+}
diff --git a/src/email_submission/mod.rs b/src/email_submission/mod.rs
new file mode 100644
index 0000000..ee95caf
--- /dev/null
+++ b/src/email_submission/mod.rs
@@ -0,0 +1,139 @@
+pub mod get;
+pub mod set;
+
+use std::collections::HashMap;
+
+use chrono::{DateTime, Utc};
+use serde::{Deserialize, Serialize};
+
+use crate::Get;
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct EmailSubmission<State = Get> {
+    #[serde(skip)]
+    _state: std::marker::PhantomData<State>,
+
+    #[serde(rename = "id")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    id: Option<String>,
+
+    #[serde(rename = "identityId")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    identity_id: Option<String>,
+
+    #[serde(rename = "emailId")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    email_id: Option<String>,
+
+    #[serde(rename = "threadId")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    thread_id: Option<String>,
+
+    #[serde(rename = "envelope")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    envelope: Option<Envelope>,
+
+    #[serde(rename = "sendAt")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    send_at: Option<DateTime<Utc>>,
+
+    #[serde(rename = "undoStatus")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    undo_status: Option<UndoStatus>,
+
+    #[serde(rename = "deliveryStatus")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    delivery_status: Option<HashMap<String, DeliveryStatus>>,
+
+    #[serde(rename = "dsnBlobIds")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    dsn_blob_ids: Option<Vec<String>>,
+
+    #[serde(rename = "mdnBlobIds")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    mdn_blob_ids: Option<Vec<String>>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Envelope {
+    #[serde(rename = "mailFrom")]
+    mail_from: Address,
+
+    #[serde(rename = "rcptTo")]
+    rcpt_to: Vec<Address>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Address<State = Get> {
+    #[serde(skip)]
+    _state: std::marker::PhantomData<State>,
+
+    email: String,
+    parameters: Option<HashMap<String, Option<String>>>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub enum UndoStatus {
+    #[serde(rename = "pending")]
+    Pending,
+    #[serde(rename = "final")]
+    Final,
+    #[serde(rename = "canceled")]
+    Canceled,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct DeliveryStatus {
+    #[serde(rename = "smtpReply")]
+    smtp_reply: String,
+
+    #[serde(rename = "delivered")]
+    delivered: Delivered,
+
+    #[serde(rename = "displayed")]
+    displayed: Displayed,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub enum Delivered {
+    #[serde(rename = "queued")]
+    Queued,
+    #[serde(rename = "yes")]
+    Yes,
+    #[serde(rename = "no")]
+    No,
+    #[serde(rename = "unknown")]
+    Unknown,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub enum Displayed {
+    #[serde(rename = "unknown")]
+    Unknown,
+    #[serde(rename = "yes")]
+    Yes,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub enum EmailSubmissionProperty {
+    #[serde(rename = "id")]
+    Id,
+    #[serde(rename = "identityId")]
+    IdentityId,
+    #[serde(rename = "emailId")]
+    EmailId,
+    #[serde(rename = "threadId")]
+    ThreadId,
+    #[serde(rename = "envelope")]
+    Envelope,
+    #[serde(rename = "sendAt")]
+    SendAt,
+    #[serde(rename = "undoStatus")]
+    UndoStatus,
+    #[serde(rename = "deliveryStatus")]
+    DeliveryStatus,
+    #[serde(rename = "dsnBlobIds")]
+    DsnBlobIds,
+    #[serde(rename = "mdnBlobIds")]
+    MdnBlobIds,
+}
diff --git a/src/email_submission/set.rs b/src/email_submission/set.rs
new file mode 100644
index 0000000..2dedb52
--- /dev/null
+++ b/src/email_submission/set.rs
@@ -0,0 +1,91 @@
+use std::collections::HashMap;
+
+use crate::Set;
+
+use super::{Address, EmailSubmission, Envelope, UndoStatus};
+
+impl EmailSubmission<Set> {
+    pub fn identity_id(mut self, identity_id: String) -> Self {
+        self.identity_id = Some(identity_id);
+        self
+    }
+
+    pub fn email_id(mut self, email_id: String) -> Self {
+        self.email_id = Some(email_id);
+        self
+    }
+
+    pub fn envelope<T, U>(mut self, mail_from: U, rcpt_to: T) -> Self
+    where
+        T: Iterator<Item = U>,
+        U: Into<Address>,
+    {
+        self.envelope = Some(Envelope {
+            mail_from: mail_from.into(),
+            rcpt_to: rcpt_to.map(|s| s.into()).collect(),
+        });
+        self
+    }
+
+    pub fn undo_status(mut self, undo_status: UndoStatus) -> Self {
+        self.undo_status = Some(undo_status);
+        self
+    }
+}
+
+impl EmailSubmission {
+    pub fn new() -> EmailSubmission<Set> {
+        EmailSubmission {
+            _state: Default::default(),
+            id: None,
+            identity_id: None,
+            email_id: None,
+            thread_id: None,
+            envelope: None,
+            send_at: None,
+            undo_status: None,
+            delivery_status: None,
+            dsn_blob_ids: None,
+            mdn_blob_ids: None,
+        }
+    }
+}
+
+impl Address {
+    pub fn new(email: String) -> Address<Set> {
+        Address {
+            _state: Default::default(),
+            email,
+            parameters: None,
+        }
+    }
+}
+
+impl Address<Set> {
+    pub fn parameter(mut self, parameter: String, value: Option<String>) -> Self {
+        self.parameters
+            .get_or_insert_with(HashMap::new)
+            .insert(parameter, value);
+        self
+    }
+}
+
+impl From<String> for Address {
+    fn from(email: String) -> Self {
+        Address {
+            _state: Default::default(),
+            email,
+            parameters: None,
+        }
+    }
+}
+
+impl From<&str> for Address {
+    fn from(email: &str) -> Self {
+        Address {
+            _state: Default::default(),
+            email: email.to_string(),
+            parameters: None,
+        }
+    }
+}
diff --git a/src/identity/get.rs b/src/identity/get.rs
new file mode 100644
index 0000000..eb5f8b3
--- /dev/null
+++ b/src/identity/get.rs
@@ -0,0 +1,37 @@
+use crate::{email::EmailAddress, Get};
+
+use super::Identity;
+
+impl Identity<Get> {
+    pub fn id(&self) -> &str {
+        self.id.as_ref().unwrap()
+    }
+
+    pub fn name(&self) -> Option<&str> {
+        self.name.as_deref()
+    }
+
+    pub fn email(&self) -> &str {
+        self.email.as_ref().unwrap()
+    }
+
+    pub fn reply_to(&self) -> Option<&[EmailAddress]> {
+        self.reply_to.as_deref()
+    }
+
+    pub fn bcc(&self) -> Option<&[EmailAddress]> {
+        self.bcc.as_deref()
+    }
+
+    pub fn text_signature(&self) -> Option<&str> {
+        self.text_signature.as_deref()
+    }
+
+    pub fn html_signature(&self) -> Option<&str> {
+        self.html_signature.as_deref()
+    }
+
+    pub fn may_delete(&self) -> bool {
+        self.may_delete.unwrap_or(false)
+    }
+}
diff --git a/src/identity/mod.rs b/src/identity/mod.rs
new file mode 100644
index 0000000..c197be1
--- /dev/null
+++ b/src/identity/mod.rs
@@ -0,0 +1,64 @@
+pub mod get;
+pub mod set;
+
+use crate::core::set::list_not_set;
+use crate::{email::EmailAddress, Get};
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Identity<State = Get> {
+    #[serde(skip)]
+    _state: std::marker::PhantomData<State>,
+
+    #[serde(rename = "id")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub id: Option<String>,
+
+    #[serde(rename = "name")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub name: Option<String>,
+
+    #[serde(rename = "email")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub email: Option<String>,
+
+    #[serde(rename = "replyTo")]
+    #[serde(skip_serializing_if = "list_not_set")]
+    pub reply_to: Option<Vec<EmailAddress>>,
+
+    #[serde(rename = "bcc")]
+    #[serde(skip_serializing_if = "list_not_set")]
+    pub bcc: Option<Vec<EmailAddress>>,
+
+    #[serde(rename = "textSignature")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub text_signature: Option<String>,
+
+    #[serde(rename = "htmlSignature")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub html_signature: Option<String>,
+
+    #[serde(rename = "mayDelete")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub may_delete: Option<bool>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub enum IdentityProperty {
+    #[serde(rename = "id")]
+    Id,
+    #[serde(rename = "name")]
+    Name,
+    #[serde(rename = "email")]
+    Email,
+    #[serde(rename = "replyTo")]
+    ReplyTo,
+    #[serde(rename = "bcc")]
+    Bcc,
+    #[serde(rename = "textSignature")]
+    TextSignature,
+    #[serde(rename = "htmlSignature")]
+    HtmlSignature,
+    #[serde(rename = "mayDelete")]
+    MayDelete,
+}
diff --git a/src/identity/set.rs b/src/identity/set.rs
new file mode 100644
index 0000000..f570b16
--- /dev/null
+++ b/src/identity/set.rs
@@ -0,0 +1,59 @@
+use crate::{email::EmailAddress, Set};
+
+use super::Identity;
+
+impl Identity<Set> {
+    pub fn name(mut self, name: String) -> Self {
+        self.name = Some(name);
+        self
+    }
+
+    pub fn email(mut self, email: String) -> Self {
+        self.email = Some(email);
+        self
+    }
+
+    pub fn bcc<T, U>(mut self, bcc: Option<T>) -> Self
+    where
+        T: Iterator<Item = U>,
+        U: Into<EmailAddress>,
+    {
+        self.bcc = bcc.map(|s| s.map(|s| s.into()).collect());
+        self
+    }
+
+    pub fn reply_to<T, U>(mut self, reply_to: Option<T>) -> Self
+    where
+        T: Iterator<Item = U>,
+        U: Into<EmailAddress>,
+    {
+        self.reply_to = reply_to.map(|s| s.map(|s| s.into()).collect());
+        self
+    }
+
+    pub fn text_signature(mut self, text_signature: String) -> Self {
+        self.text_signature = Some(text_signature);
+        self
+    }
+
+    pub fn html_signature(mut self, html_signature: String) -> Self {
+        self.html_signature = Some(html_signature);
+        self
+    }
+}
+
+impl Identity {
+    pub fn new() -> Identity<Set> {
+        Identity {
+            _state: Default::default(),
+            id: None,
+            name: None,
+            email: None,
+            reply_to: Vec::with_capacity(0).into(),
+            bcc: Vec::with_capacity(0).into(),
+            text_signature: None,
+            html_signature: None,
+            may_delete: None,
+        }
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
index b917968..d174c89 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,7 +4,13 @@ use serde::{Deserialize, Serialize};
 
 pub mod blob;
 pub mod core;
+pub mod email;
+pub mod email_submission;
+pub mod identity;
+pub mod mailbox;
 pub mod push_subscription;
+pub mod thread;
+pub mod vacation_response;
 
 #[derive(Debug, Clone, Serialize, Deserialize, Hash, PartialEq, Eq)]
 pub enum URI {
@@ -94,6 +100,7 @@ pub enum Object {
     Mailbox,
     Thread,
     Email,
+    EmailDelivery,
     SearchSnippet,
     Identity,
     EmailSubmission,
@@ -112,3 +119,8 @@ pub struct StateChange {
     pub type_: StateChangeType,
     pub changed: HashMap<String, HashMap<Object, String>>,
 }
+
+#[derive(Debug, Clone)]
+pub struct Get;
+#[derive(Debug, Clone)]
+pub struct Set;
diff --git a/src/mailbox/get.rs b/src/mailbox/get.rs
new file mode 100644
index 0000000..5a7c3e2
--- /dev/null
+++ b/src/mailbox/get.rs
@@ -0,0 +1,81 @@
+use crate::Get;
+
+use super::{Mailbox, Role};
+
+impl Mailbox<Get> {
+    pub fn id(&self) -> &str {
+        self.id.as_ref().unwrap()
+    }
+
+    pub fn name(&self) -> &str {
+        self.name.as_ref().unwrap()
+    }
+
+    pub fn parent_id(&self) -> Option<&str> {
+        self.parent_id.as_deref()
+    }
+
+    pub fn role(&self) -> Role {
+        self.role.as_ref().cloned().unwrap_or(Role::None)
+    }
+
+    pub fn sort_order(&self) -> u32 {
+        self.sort_order.as_ref().copied().unwrap_or(0)
+    }
+
+    pub fn total_emails(&self) -> usize {
+        self.total_emails.as_ref().copied().unwrap_or(0)
+    }
+
+    pub fn unread_emails(&self) -> usize {
+        self.unread_emails.as_ref().copied().unwrap_or(0)
+    }
+
+    pub fn total_threads(&self) -> usize {
+        self.total_threads.as_ref().copied().unwrap_or(0)
+    }
+
+    pub fn unread_threads(&self) -> usize {
+        self.unread_threads.as_ref().copied().unwrap_or(0)
+    }
+
+    pub fn is_subscribed(&self) -> bool {
+        *self.is_subscribed.as_ref().unwrap_or(&false)
+    }
+
+    pub fn may_read_items(&self) -> bool {
+        self.my_rights.as_ref().unwrap().may_read_items
+    }
+
+    pub fn may_add_items(&self) -> bool {
+        self.my_rights.as_ref().unwrap().may_add_items
+    }
+
+    pub fn may_remove_items(&self) -> bool {
+        self.my_rights.as_ref().unwrap().may_remove_items
+    }
+
+    pub fn may_set_seen(&self) -> bool {
+        self.my_rights.as_ref().unwrap().may_set_seen
+    }
+
+    pub fn may_set_keywords(&self) -> bool {
+        self.my_rights.as_ref().unwrap().may_set_keywords
+    }
+
+    pub fn may_create_child(&self) -> bool {
+        self.my_rights.as_ref().unwrap().may_create_child
+    }
+
+    pub fn may_rename(&self) -> bool {
+        self.my_rights.as_ref().unwrap().may_rename
+    }
+
+    pub fn may_delete(&self) -> bool {
+        self.my_rights.as_ref().unwrap().may_delete
+    }
+
+    pub fn may_submit(&self) -> bool {
+        self.my_rights.as_ref().unwrap().may_submit
+    }
+}
diff --git a/src/mailbox/mod.rs b/src/mailbox/mod.rs
new file mode 100644
index 0000000..24d5ab8
--- /dev/null
+++ b/src/mailbox/mod.rs
@@ -0,0 +1,126 @@
+pub mod get;
+pub mod set;
+
+use crate::core::set::string_not_set;
+use crate::mailbox::set::role_not_set;
+use crate::Get;
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Mailbox<State = Get> {
+    #[serde(skip)]
+    _state: std::marker::PhantomData<State>,
+
+    #[serde(rename = "id")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    id: Option<String>,
+
+    #[serde(rename = "name")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    name: Option<String>,
+
+    #[serde(rename = "parentId")]
+    #[serde(skip_serializing_if = "string_not_set")]
+    parent_id: Option<String>,
+
+    #[serde(rename = "role")]
+    #[serde(skip_serializing_if = "role_not_set")]
+    role: Option<Role>,
+
+    #[serde(rename = "sortOrder")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    sort_order: Option<u32>,
+
+    #[serde(rename = "totalEmails")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    total_emails: Option<usize>,
+
+    #[serde(rename = "unreadEmails")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    unread_emails: Option<usize>,
+
+    #[serde(rename = "totalThreads")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    total_threads: Option<usize>,
+
+    #[serde(rename = "unreadThreads")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    unread_threads: Option<usize>,
+
+    #[serde(rename = "myRights")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    my_rights: Option<MailboxRights>,
+
+    #[serde(rename = "isSubscribed")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    is_subscribed: Option<bool>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "lowercase")]
+pub enum Role {
+    Archive,
+    Drafts,
+    Important,
+    Inbox,
+    Junk,
+    Sent,
+    Trash,
+    None,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct MailboxRights {
+    #[serde(rename = "mayReadItems")]
+    may_read_items: bool,
+
+    #[serde(rename = "mayAddItems")]
+    may_add_items: bool,
+
+    #[serde(rename = "mayRemoveItems")]
+    may_remove_items: bool,
+
+    #[serde(rename = "maySetSeen")]
+    may_set_seen: bool,
+
+    #[serde(rename = "maySetKeywords")]
+    may_set_keywords: bool,
+
+    #[serde(rename = "mayCreateChild")]
+    may_create_child: bool,
+
+    #[serde(rename = "mayRename")]
+    may_rename: bool,
+
+    #[serde(rename = "mayDelete")]
+    may_delete: bool,
+
+    #[serde(rename = "maySubmit")]
+    may_submit: bool,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub enum MailboxProperty {
+    #[serde(rename = "id")]
+    Id,
+    #[serde(rename = "name")]
+    Name,
+    #[serde(rename = "parentId")]
+    ParentId,
+    #[serde(rename = "role")]
+    Role,
+    #[serde(rename = "sortOrder")]
+    SortOrder,
+    #[serde(rename = "totalEmails")]
+    TotalEmails,
+    #[serde(rename = "unreadEmails")]
+    UnreadEmails,
+    #[serde(rename = "totalThreads")]
+    TotalThreads,
+    #[serde(rename = "unreadThreads")]
+    UnreadThreads,
+    #[serde(rename = "myRights")]
+    MyRights,
+    #[serde(rename = "isSubscribed")]
+    IsSubscribed,
+}
diff --git a/src/mailbox/set.rs b/src/mailbox/set.rs
new file mode 100644
index 0000000..be8394c
--- /dev/null
+++ b/src/mailbox/set.rs
@@ -0,0 +1,52 @@
+use crate::Set;
+
+use super::{Mailbox, Role};
+
+impl Mailbox<Set> {
+    pub fn name(mut self, name: String) -> Self {
+        self.name = Some(name);
+        self
+    }
+
+    pub fn parent_id(mut self, parent_id: Option<String>) -> Self {
+        self.parent_id = parent_id;
+        self
+    }
+
+    pub fn role(mut self, role: Role) -> Self {
+        if !matches!(role, Role::None) {
+            self.role = Some(role);
+        } else {
+            self.role = None;
+        }
+        self
+    }
+
+    pub fn sort_order(mut self, sort_order: u32) -> Self {
+        self.sort_order = sort_order.into();
+        self
+    }
+}
+
+pub fn role_not_set(role: &Option<Role>) -> bool {
+    matches!(role, Some(Role::None))
+}
+
+impl Mailbox {
+    pub fn new() -> Mailbox<Set> {
+        Mailbox {
+            _state: Default::default(),
+            id: None,
+            name: None,
+            parent_id: "".to_string().into(),
+            role: Role::None.into(),
+            sort_order: None,
+            total_emails: None,
+            unread_emails: None,
+            total_threads: None,
+            unread_threads: None,
+            my_rights: None,
+            is_subscribed: None,
+        }
+    }
+}
diff --git a/src/push_subscription/get.rs b/src/push_subscription/get.rs
index e69de29..d3d39ac 100644
--- a/src/push_subscription/get.rs
+++ b/src/push_subscription/get.rs
@@ -0,0 +1,43 @@
+use crate::{Get, Object};
+
+use super::{Keys, PushSubscription};
+
+impl PushSubscription<Get> {
+    pub fn id(&self) -> &str {
+        self.id.as_ref().unwrap()
+    }
+
+    pub fn device_client_id(&self) -> &str {
+        self.device_client_id.as_ref().unwrap()
+    }
+
+    pub fn url(&self) -> &str {
+        self.url.as_ref().unwrap()
+    }
+
+    pub fn keys(&self) -> Option<&Keys> {
+        self.keys.as_ref()
+    }
+
+    pub fn verification_code(&self) -> Option<&str> {
+        self.verification_code.as_deref()
+    }
+
+    pub fn expires(&self) -> Option<i64> {
+        self.expires.map(|v| v.timestamp())
+    }
+
+    pub fn types(&self) -> Option<&[Object]> {
+        self.types.as_deref()
+    }
+}
+
+impl Keys {
+    pub fn p256dh(&self) -> Option<Vec<u8>> {
+        base64::decode_config(&self.p256dh, base64::URL_SAFE).ok()
+    }
+
+    pub fn auth(&self) -> Option<Vec<u8>> {
+        base64::decode_config(&self.auth, base64::URL_SAFE).ok()
+    }
+}
diff --git a/src/push_subscription/mod.rs b/src/push_subscription/mod.rs
index 1976b72..6b148c2 100644
--- a/src/push_subscription/mod.rs
+++ b/src/push_subscription/mod.rs
@@ -1,13 +1,17 @@
-use chrono::{DateTime, Utc};
-use serde::{Deserialize, Serialize};
-
-use crate::Object;
-
 pub mod get;
 pub mod set;
 
+use chrono::{DateTime, Utc};
+use serde::{Deserialize, Serialize};
+
+use crate::core::set::list_not_set;
+use crate::{Get, Object};
+
 #[derive(Debug, Clone, Serialize, Deserialize)]
-pub struct PushSubscription {
+pub struct PushSubscription<State = Get> {
+    #[serde(skip)]
+    _state: std::marker::PhantomData<State>,
+
     #[serde(rename = "id")]
     #[serde(skip_serializing_if = "Option::is_none")]
     id: Option<String>,
@@ -33,7 +37,7 @@ pub struct PushSubscription {
     expires: Option<DateTime<Utc>>,
 
     #[serde(rename = "types")]
-    #[serde(skip_serializing_if = "Option::is_none")]
+    #[serde(skip_serializing_if = "list_not_set")]
     types: Option<Vec<Object>>,
 }
 
diff --git a/src/push_subscription/set.rs b/src/push_subscription/set.rs
index e69de29..0b896eb 100644
--- a/src/push_subscription/set.rs
+++ b/src/push_subscription/set.rs
@@ -0,0 +1,64 @@
+use crate::{core::set::from_timestamp, Object, Set};
+
+use super::{Keys, PushSubscription};
+
+impl PushSubscription<Set> {
+    pub fn device_client_id(mut self, device_client_id: String) -> Self {
+        self.device_client_id = Some(device_client_id);
+        self
+    }
+
+    pub fn url(mut self, url: String) -> Self {
+        self.url = Some(url);
+        self
+    }
+
+    pub fn verification_code(mut self, verification_code: String) -> Self {
+        self.verification_code = Some(verification_code);
+        self
+    }
+
+    pub fn keys(mut self, keys: Keys) -> Self {
+        self.keys = Some(keys);
+        self
+    }
+
+    pub fn expires(mut self, expires: i64) -> Self {
+        self.expires = Some(from_timestamp(expires));
+        self
+    }
+
+    pub fn types(mut self, types: Option<impl Iterator<Item = Object>>) -> Self {
+        self.types = types.map(|s| s.collect());
+        self
+    }
+}
+
+impl PushSubscription {
+    pub fn new() -> PushSubscription<Set> {
+        PushSubscription {
+            _state: Default::default(),
+            id: None,
+            device_client_id: None,
+            url: None,
+            keys: None,
+            verification_code: None,
+            expires: None,
+            types: Vec::with_capacity(0).into(),
+        }
+    }
+}
+
+impl Keys {
+    pub fn new(p256dh: &[u8], auth: &[u8]) -> Self {
+        Keys {
+            p256dh: base64::encode_config(&p256dh, base64::URL_SAFE),
+            auth: base64::encode_config(&auth, base64::URL_SAFE),
+        }
+    }
+
+    pub fn generate() -> Option<Self> {
+        let (p256dh, auth) = ece::generate_keypair_and_auth_secret().ok()?;
+        Self::new(&p256dh.pub_as_raw().ok()?, &auth).into()
+    }
+}
diff --git a/src/thread/get.rs b/src/thread/get.rs
new file mode 100644
index 0000000..8e1c627
--- /dev/null
+++ b/src/thread/get.rs
@@ -0,0 +1,11 @@
+use super::Thread;
+
+impl Thread {
+    pub fn id(&self) -> &str {
+        &self.id
+    }
+
+    pub fn email_ids(&self) -> &[String] {
+        &self.email_ids
+    }
+}
diff --git a/src/thread/mod.rs b/src/thread/mod.rs
new file mode 100644
index 0000000..162c420
--- /dev/null
+++ b/src/thread/mod.rs
@@ -0,0 +1,10 @@
+pub mod get;
+
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Thread {
+    id: String,
+    #[serde(rename = "emailIds")]
+    email_ids: Vec<String>,
+}
diff --git a/src/vacation_response/get.rs b/src/vacation_response/get.rs
new file mode 100644
index 0000000..c49e4c6
--- /dev/null
+++ b/src/vacation_response/get.rs
@@ -0,0 +1,33 @@
+use crate::Get;
+
+use super::VacationResponse;
+
+impl VacationResponse<Get> {
+    pub fn id(&self) -> &str {
+        self.id.as_ref().unwrap()
+    }
+
+    pub fn is_enabled(&self) -> bool {
+        self.is_enabled.unwrap_or(false)
+    }
+
+    pub fn from_date(&self) -> Option<i64> {
+        self.from_date.as_ref().map(|dt| dt.timestamp())
+    }
+
+    pub fn to_date(&self) -> Option<i64> {
+        self.to_date.as_ref().map(|dt| dt.timestamp())
+    }
+
+    pub fn subject(&self) -> Option<&str> {
+        self.subject.as_deref()
+    }
+
+    pub fn text_body(&self) -> Option<&str> {
+        self.text_body.as_deref()
+    }
+
+    pub fn html_body(&self) -> Option<&str> {
+        self.html_body.as_deref()
+    }
+}
diff --git a/src/vacation_response/mod.rs b/src/vacation_response/mod.rs
new file mode 100644
index 0000000..70aa76b
--- /dev/null
+++ b/src/vacation_response/mod.rs
@@ -0,0 +1,42 @@
+pub mod get;
+pub mod set;
+
+use crate::core::set::date_not_set;
+use crate::core::set::string_not_set;
+use crate::Get;
+use chrono::{DateTime, Utc};
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct VacationResponse<State = Get> {
+    #[serde(skip)]
+    _state: std::marker::PhantomData<State>,
+
+    #[serde(rename = "id")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    id: Option<String>,
+
+    #[serde(rename = "isEnabled")]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    is_enabled: Option<bool>,
+
+    #[serde(rename = "fromDate")]
+    #[serde(skip_serializing_if = "date_not_set")]
+    from_date: Option<DateTime<Utc>>,
+
+    #[serde(rename = "toDate")]
+    #[serde(skip_serializing_if = "date_not_set")]
+    to_date: Option<DateTime<Utc>>,
+
+    #[serde(rename = "subject")]
+    #[serde(skip_serializing_if = "string_not_set")]
+    subject: Option<String>,
+
+    #[serde(rename = "textBody")]
+    #[serde(skip_serializing_if = "string_not_set")]
+    text_body: Option<String>,
+
+    #[serde(rename = "htmlBody")]
+    #[serde(skip_serializing_if = "string_not_set")]
+    html_body: Option<String>,
+}
diff --git a/src/vacation_response/set.rs b/src/vacation_response/set.rs
new file mode 100644
index 0000000..144bca2
--- /dev/null
+++ b/src/vacation_response/set.rs
@@ -0,0 +1,50 @@
+use crate::{core::set::from_timestamp, Set};
+
+use super::VacationResponse;
+
+impl VacationResponse<Set> {
+    pub fn is_enabled(mut self, is_enabled: bool) -> Self {
+        self.is_enabled = Some(is_enabled);
+        self
+    }
+
+    pub fn from_date(mut self, from_date: Option<i64>) -> Self {
+        self.from_date = from_date.map(from_timestamp);
+        self
+    }
+
+    pub fn to_date(mut self, to_date: Option<i64>) -> Self {
+        self.to_date = to_date.map(from_timestamp);
+        self
+    }
+
+    pub fn subject(mut self, subject: Option<String>) -> Self {
+        self.subject = subject;
+        self
+    }
+
+    pub fn text_body(mut self, text_body: Option<String>) -> Self {
+        self.text_body = text_body;
+        self
+    }
+
+    pub fn html_body(mut self, html_body: Option<String>) -> Self {
+        self.html_body = html_body;
+        self
+    }
+}
+
+impl VacationResponse {
+    pub fn new() -> VacationResponse<Set> {
+        VacationResponse {
+            _state: Default::default(),
+            id: None,
+            is_enabled: None,
+            from_date: from_timestamp(0).into(),
+            to_date: from_timestamp(0).into(),
+            subject: "".to_string().into(),
+            text_body: "".to_string().into(),
+            html_body: "".to_string().into(),
+        }
+    }
+}