diff --git a/melib/src/backends/jmap.rs b/melib/src/backends/jmap.rs
index 890e09b77..0e4603a5f 100644
--- a/melib/src/backends/jmap.rs
+++ b/melib/src/backends/jmap.rs
@@ -190,12 +190,10 @@ impl MailBackend for JmapType {
         let handle = {
             let tx = w.tx();
             let closure = move |_work_context| {
-                tx.send(AsyncStatus::Payload(
-                    protocol::get_message_list(&connection, &folders.read().unwrap()[&folder_hash])
-                        .and_then(|ids| {
-                            protocol::get_message(&connection, std::dbg!(&ids).as_slice())
-                        }),
-                ))
+                tx.send(AsyncStatus::Payload(protocol::get(
+                    &connection,
+                    &folders.read().unwrap()[&folder_hash],
+                )))
                 .unwrap();
                 tx.send(AsyncStatus::Finished).unwrap();
             };
diff --git a/melib/src/backends/jmap/objects/email.rs b/melib/src/backends/jmap/objects/email.rs
index c97d98418..06e317bdb 100644
--- a/melib/src/backends/jmap/objects/email.rs
+++ b/melib/src/backends/jmap/objects/email.rs
@@ -399,7 +399,6 @@ impl EmailGet {
         }
     }
 
-    _impl!(get_call: Get<EmailObject>);
     _impl!(body_properties: Vec<String>);
     _impl!(fetch_text_body_values: bool);
     _impl!(fetch_html_body_values: bool);
@@ -410,8 +409,8 @@ impl EmailGet {
 #[derive(Serialize, Deserialize, Default, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct EmailFilterCondition {
-    #[serde(skip_serializing_if = "Vec::is_empty")]
-    pub in_mailboxes: Vec<Id>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub in_mailbox: Option<Id>,
     #[serde(skip_serializing_if = "Vec::is_empty")]
     pub in_mailbox_other_than: Vec<Id>,
     #[serde(skip_serializing_if = "String::is_empty")]
@@ -455,7 +454,11 @@ pub struct EmailFilterCondition {
 }
 
 impl EmailFilterCondition {
-    _impl!(in_mailboxes: Vec<Id>);
+    pub fn new() -> Self {
+        Self::default()
+    }
+
+    _impl!(in_mailbox: Option<Id>);
     _impl!(in_mailbox_other_than: Vec<Id>);
     _impl!(before: UtcDate);
     _impl!(after: UtcDate);
diff --git a/melib/src/backends/jmap/objects/mailbox.rs b/melib/src/backends/jmap/objects/mailbox.rs
index f3d828cfe..1c41e392b 100644
--- a/melib/src/backends/jmap/objects/mailbox.rs
+++ b/melib/src/backends/jmap/objects/mailbox.rs
@@ -60,7 +60,12 @@ pub struct MailboxGet {
     #[serde(flatten)]
     pub get_call: Get<MailboxObject>,
 }
+impl MailboxGet {
+    pub fn new(get_call: Get<MailboxObject>) -> Self {
+        MailboxGet { get_call }
+    }
+}
 
 impl Method<MailboxObject> for MailboxGet {
-    const NAME: &'static str = "Mailbox/query";
+    const NAME: &'static str = "Mailbox/get";
 }
diff --git a/melib/src/backends/jmap/protocol.rs b/melib/src/backends/jmap/protocol.rs
index d205c5359..d027d5658 100644
--- a/melib/src/backends/jmap/protocol.rs
+++ b/melib/src/backends/jmap/protocol.rs
@@ -80,7 +80,7 @@ impl Request {
         }
     }
 
-    pub fn add_call<M: Method<O>, O: Object>(&mut self, call: M) -> usize {
+    pub fn add_call<M: Method<O>, O: Object>(&mut self, call: &M) -> usize {
         let seq = get_request_no!(self.request_no);
         self.method_calls
             .push(serde_json::to_value((M::NAME, call, &format!("m{}", seq))).unwrap());
@@ -176,10 +176,7 @@ pub struct JsonResponse<'a> {
 pub fn get_message_list(conn: &JmapConnection, folder: &JmapFolder) -> Result<Vec<String>> {
     let seq = get_request_no!(conn.request_no);
     let email_call: EmailQueryCall = EmailQueryCall {
-        filter: EmailFilterCondition {
-            in_mailboxes: vec![folder.id.clone()],
-            ..Default::default()
-        },
+        filter: EmailFilterCondition::new().in_mailbox(Some(folder.id.clone())),
         collapse_threads: false,
         position: 0,
         fetch_threads: true,
@@ -201,7 +198,7 @@ pub fn get_message_list(conn: &JmapConnection, folder: &JmapFolder) -> Result<Ve
     };
 
     let mut req = Request::new(conn.request_no.clone());
-    req.add_call(email_call);
+    req.add_call(&email_call);
 
     /*
     {
@@ -290,12 +287,14 @@ pub fn get_message(conn: &JmapConnection, ids: &[String]) -> Result<Vec<Envelope
     let seq = get_request_no!(conn.request_no);
     let email_call: EmailGet = EmailGet::new(
         Get::new()
-            .ids(Some(ids.iter().cloned().collect::<Vec<String>>()))
+            .ids(Some(JmapArgument::value(
+                ids.iter().cloned().collect::<Vec<String>>(),
+            )))
             .account_id(conn.account_id.lock().unwrap().clone()),
     );
 
     let mut req = Request::new(conn.request_no.clone());
-    req.add_call(email_call);
+    req.add_call(&email_call);
     let res = conn
         .client
         .lock()
@@ -330,3 +329,60 @@ pub fn get_message(conn: &JmapConnection, ids: &[String]) -> Result<Vec<Envelope
         }))
 
 */
+
+pub fn get(conn: &JmapConnection, folder: &JmapFolder) -> Result<Vec<Envelope>> {
+    let email_query_call: EmailQueryCall = EmailQueryCall {
+        filter: EmailFilterCondition::new().in_mailbox(Some(folder.id.clone())),
+        collapse_threads: false,
+        position: 0,
+        fetch_threads: true,
+        fetch_messages: true,
+        fetch_message_properties: vec![
+            MessageProperty::ThreadId,
+            MessageProperty::MailboxId,
+            MessageProperty::IsUnread,
+            MessageProperty::IsFlagged,
+            MessageProperty::IsAnswered,
+            MessageProperty::IsDraft,
+            MessageProperty::HasAttachment,
+            MessageProperty::From,
+            MessageProperty::To,
+            MessageProperty::Subject,
+            MessageProperty::Date,
+            MessageProperty::Preview,
+        ],
+    };
+
+    let mut req = Request::new(conn.request_no.clone());
+    let prev_seq = req.add_call(&email_query_call);
+
+    let email_call: EmailGet = EmailGet::new(
+        Get::new()
+            .ids(Some(JmapArgument::reference(
+                prev_seq,
+                &email_query_call,
+                "/ids",
+            )))
+            .account_id(conn.account_id.lock().unwrap().clone()),
+    );
+
+    req.add_call(&email_call);
+
+    let res = conn
+        .client
+        .lock()
+        .unwrap()
+        .post("https://jmap-proxy.local/jmap/fc32dffe-14e7-11ea-a277-2477037a1804/")
+        .json(&req)
+        .send();
+
+    let res_text = res?.text()?;
+
+    let mut v: MethodResponse = serde_json::from_str(&res_text).unwrap();
+    let e = GetResponse::<EmailObject>::try_from(v.method_responses.pop().unwrap())?;
+    let GetResponse::<EmailObject> { list, .. } = e;
+    Ok(list
+        .into_iter()
+        .map(std::convert::Into::into)
+        .collect::<Vec<Envelope>>())
+}
diff --git a/melib/src/backends/jmap/rfc8620.rs b/melib/src/backends/jmap/rfc8620.rs
index 14f6d0ccd..3bdac1bc9 100644
--- a/melib/src/backends/jmap/rfc8620.rs
+++ b/melib/src/backends/jmap/rfc8620.rs
@@ -21,13 +21,16 @@
 
 use super::Id;
 use core::marker::PhantomData;
-use serde::{de::DeserializeOwned, Serialize};
+use serde::de::DeserializeOwned;
+use serde::ser::{Serialize, SerializeStruct, Serializer};
 use serde_json::{value::RawValue, Value};
 
 mod filters;
 pub use filters::*;
 mod comparator;
 pub use comparator::*;
+mod argument;
+pub use argument::*;
 
 use super::protocol::{Method, Response};
 use std::collections::HashMap;
@@ -102,7 +105,7 @@ pub struct Account {
     extra_properties: HashMap<String, Value>,
 }
 
-#[derive(Deserialize, Serialize, Debug)]
+#[derive(Deserialize, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct Get<OBJ: Object>
 where
@@ -111,7 +114,8 @@ where
     #[serde(skip_serializing_if = "String::is_empty")]
     pub account_id: String,
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub ids: Option<Vec<String>>,
+    #[serde(flatten)]
+    pub ids: Option<JmapArgument<Vec<String>>>,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub properties: Option<Vec<String>>,
     #[serde(skip)]
@@ -131,9 +135,65 @@ where
         }
     }
     _impl!(account_id: String);
-    _impl!(ids: Option<Vec<String>>);
+    _impl!(ids: Option<JmapArgument<Vec<String>>>);
     _impl!(properties: Option<Vec<String>>);
 }
+
+impl<OBJ: Object + Serialize + std::fmt::Debug> Serialize for Get<OBJ> {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        let mut fields_no = 0;
+        if !self.account_id.is_empty() {
+            fields_no += 1;
+        }
+        if !self.ids.is_none() {
+            fields_no += 1;
+        }
+        if !self.properties.is_none() {
+            fields_no += 1;
+        }
+
+        let mut state = serializer.serialize_struct("Get", fields_no)?;
+        if !self.account_id.is_empty() {
+            state.serialize_field("accountId", &self.account_id)?;
+        }
+        match self.ids.as_ref() {
+            None => {}
+            Some(JmapArgument::Value(ref v)) => state.serialize_field("ids", v)?,
+            Some(JmapArgument::ResultReference {
+                ref result_of,
+                ref name,
+                ref path,
+            }) => {
+                #[derive(Serialize)]
+                #[serde(rename_all = "camelCase")]
+                struct A<'a> {
+                    result_of: &'a str,
+                    name: &'a str,
+                    path: &'a str,
+                }
+
+                state.serialize_field(
+                    "#ids",
+                    &A {
+                        result_of,
+                        name,
+                        path,
+                    },
+                )?;
+            }
+        }
+
+        if !self.properties.is_none() {
+            state.serialize_field("properties", self.properties.as_ref().unwrap());
+        }
+
+        state.end()
+    }
+}
+
 //   The response has the following arguments:
 //
 //   o  accountId: "Id"
@@ -192,6 +252,7 @@ pub struct MethodResponse<'a> {
 pub struct GetResponse<OBJ: Object> {
     #[serde(skip_serializing_if = "String::is_empty")]
     pub account_id: String,
+    #[serde(default)]
     pub state: String,
     pub list: Vec<OBJ>,
     pub not_found: Vec<String>,
diff --git a/melib/src/backends/jmap/rfc8620/argument.rs b/melib/src/backends/jmap/rfc8620/argument.rs
new file mode 100644
index 000000000..498208fe4
--- /dev/null
+++ b/melib/src/backends/jmap/rfc8620/argument.rs
@@ -0,0 +1,54 @@
+/*
+ * meli - jmap module.
+ *
+ * Copyright 2019 Manos Pitsidianakis
+ *
+ * This file is part of meli.
+ *
+ * meli is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * meli is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with meli. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+use crate::backends::jmap::protocol::Method;
+use crate::backends::jmap::rfc8620::Object;
+use serde::de::DeserializeOwned;
+use serde::ser::{Serialize, SerializeStruct, Serializer};
+
+#[derive(Deserialize, Serialize, Debug)]
+#[serde(rename_all = "camelCase")]
+pub enum JmapArgument<T> {
+    Value(T),
+    ResultReference {
+        result_of: String,
+        name: String,
+        path: String,
+    },
+}
+
+impl<T> JmapArgument<T> {
+    pub fn value(v: T) -> Self {
+        JmapArgument::Value(v)
+    }
+
+    pub fn reference<M, OBJ>(result_of: usize, method: &M, path: &str) -> Self
+    where
+        M: Method<OBJ>,
+        OBJ: Object,
+    {
+        JmapArgument::ResultReference {
+            result_of: format!("m{}", result_of),
+            name: M::NAME.to_string(),
+            path: path.to_string(),
+        }
+    }
+}