diff --git a/crates/imap-proto/src/parser/acl.rs b/crates/imap-proto/src/parser/acl.rs
index 7829fb35..08390f4d 100644
--- a/crates/imap-proto/src/parser/acl.rs
+++ b/crates/imap-proto/src/parser/acl.rs
@@ -22,8 +22,12 @@
 */
 
 use crate::{
-    protocol::acl::{self, ModRights, ModRightsOp, Rights},
+    protocol::{
+        acl::{self, ModRights, ModRightsOp, Rights},
+        ProtocolVersion,
+    },
     receiver::Request,
+    utf7::utf7_maybe_decode,
     Command,
 };
 
@@ -45,7 +49,7 @@ use super::PushUnique;
 */
 
 impl Request<Command> {
-    pub fn parse_acl(self) -> crate::Result<acl::Arguments> {
+    pub fn parse_acl(self, version: ProtocolVersion) -> crate::Result<acl::Arguments> {
         let (has_identifier, has_mod_rights) = match self.command {
             Command::SetAcl => (true, true),
             Command::DeleteAcl | Command::ListRights => (true, false),
@@ -53,11 +57,14 @@ impl Request<Command> {
             _ => unreachable!(),
         };
         let mut tokens = self.tokens.into_iter();
-        let mailbox_name = tokens
-            .next()
-            .ok_or((self.tag.as_str(), "Missing mailbox name."))?
-            .unwrap_string()
-            .map_err(|v| (self.tag.as_str(), v))?;
+        let mailbox_name = utf7_maybe_decode(
+            tokens
+                .next()
+                .ok_or((self.tag.as_str(), "Missing mailbox name."))?
+                .unwrap_string()
+                .map_err(|v| (self.tag.as_str(), v))?,
+            version,
+        );
         let identifier = if has_identifier {
             tokens
                 .next()
@@ -138,7 +145,10 @@ impl ModRights {
 mod tests {
 
     use crate::{
-        protocol::acl::{self, ModRights, ModRightsOp, Rights},
+        protocol::{
+            acl::{self, ModRights, ModRightsOp, Rights},
+            ProtocolVersion,
+        },
         receiver::Receiver,
     };
 
@@ -222,7 +232,7 @@ mod tests {
                 receiver
                     .parse(&mut command.as_bytes().iter())
                     .unwrap()
-                    .parse_acl()
+                    .parse_acl(ProtocolVersion::Rev1)
                     .unwrap(),
                 arguments,
                 "{:?}",
diff --git a/crates/imap-proto/src/parser/append.rs b/crates/imap-proto/src/parser/append.rs
index a48f293c..7ba1fc40 100644
--- a/crates/imap-proto/src/parser/append.rs
+++ b/crates/imap-proto/src/parser/append.rs
@@ -24,9 +24,10 @@
 use crate::{
     protocol::{
         append::{self, Message},
-        Flag,
+        Flag, ProtocolVersion,
     },
     receiver::{Request, Token},
+    utf7::utf7_maybe_decode,
     Command,
 };
 
@@ -40,17 +41,20 @@ enum State {
 }
 
 impl Request<Command> {
-    pub fn parse_append(self) -> crate::Result<append::Arguments> {
+    pub fn parse_append(self, version: ProtocolVersion) -> crate::Result<append::Arguments> {
         match self.tokens.len() {
             0 | 1 => Err(self.into_error("Missing arguments.")),
             _ => {
                 // Obtain mailbox name
                 let mut tokens = self.tokens.into_iter().peekable();
-                let mailbox_name = tokens
-                    .next()
-                    .unwrap()
-                    .unwrap_string()
-                    .map_err(|v| (self.tag.as_str(), v))?;
+                let mailbox_name = utf7_maybe_decode(
+                    tokens
+                        .next()
+                        .unwrap()
+                        .unwrap_string()
+                        .map_err(|v| (self.tag.as_str(), v))?,
+                    version,
+                );
                 let mut messages = Vec::new();
 
                 while tokens.peek().is_some() {
@@ -166,7 +170,7 @@ mod tests {
     use crate::{
         protocol::{
             append::{self, Message},
-            Flag,
+            Flag, ProtocolVersion,
         },
         receiver::{Error, Receiver},
     };
@@ -265,7 +269,7 @@ mod tests {
                 receiver
                     .parse(&mut command.as_bytes().iter())
                     .expect(command)
-                    .parse_append()
+                    .parse_append(ProtocolVersion::Rev1)
                     .expect(command),
                 arguments,
                 "{:?}",
@@ -298,7 +302,7 @@ mod tests {
             match receiver.parse(&mut line.as_bytes().iter()) {
                 Ok(request) => {
                     assert_eq!(
-                        request.parse_append().unwrap(),
+                        request.parse_append(ProtocolVersion::Rev1).unwrap(),
                         append::Arguments {
                             tag: "A003".to_string(),
                             mailbox_name: "saved-messages".to_string(),
diff --git a/crates/imap-proto/src/parser/copy_move.rs b/crates/imap-proto/src/parser/copy_move.rs
index de055fdf..46fb2562 100644
--- a/crates/imap-proto/src/parser/copy_move.rs
+++ b/crates/imap-proto/src/parser/copy_move.rs
@@ -21,12 +21,17 @@
  * for more details.
 */
 
-use crate::{protocol::copy_move, receiver::Request, Command};
+use crate::{
+    protocol::{copy_move, ProtocolVersion},
+    receiver::Request,
+    utf7::utf7_maybe_decode,
+    Command,
+};
 
 use super::parse_sequence_set;
 
 impl Request<Command> {
-    pub fn parse_copy_move(self) -> crate::Result<copy_move::Arguments> {
+    pub fn parse_copy_move(self, version: ProtocolVersion) -> crate::Result<copy_move::Arguments> {
         if self.tokens.len() > 1 {
             let mut tokens = self.tokens.into_iter();
 
@@ -38,11 +43,14 @@ impl Request<Command> {
                         .unwrap_bytes(),
                 )
                 .map_err(|v| (self.tag.as_str(), v))?,
-                mailbox_name: tokens
-                    .next()
-                    .ok_or((self.tag.as_str(), "Missing mailbox name."))?
-                    .unwrap_string()
-                    .map_err(|v| (self.tag.as_str(), v))?,
+                mailbox_name: utf7_maybe_decode(
+                    tokens
+                        .next()
+                        .ok_or((self.tag.as_str(), "Missing mailbox name."))?
+                        .unwrap_string()
+                        .map_err(|v| (self.tag.as_str(), v))?,
+                    version,
+                ),
                 tag: self.tag,
             })
         } else {
@@ -54,7 +62,7 @@ impl Request<Command> {
 #[cfg(test)]
 mod tests {
     use crate::{
-        protocol::{copy_move, Sequence},
+        protocol::{copy_move, ProtocolVersion, Sequence},
         receiver::Receiver,
     };
 
@@ -66,7 +74,7 @@ mod tests {
             receiver
                 .parse(&mut "A003 COPY 2:4 MEETING\r\n".as_bytes().iter())
                 .unwrap()
-                .parse_copy_move()
+                .parse_copy_move(ProtocolVersion::Rev1)
                 .unwrap(),
             copy_move::Arguments {
                 sequence_set: Sequence::Range {
@@ -77,5 +85,20 @@ mod tests {
                 tag: "A003".to_string(),
             }
         );
+        assert_eq!(
+            receiver
+                .parse(&mut "A003 COPY 2:4 \"You &- Me\"\r\n".as_bytes().iter())
+                .unwrap()
+                .parse_copy_move(ProtocolVersion::Rev1)
+                .unwrap(),
+            copy_move::Arguments {
+                sequence_set: Sequence::Range {
+                    start: 2.into(),
+                    end: 4.into(),
+                },
+                mailbox_name: "You & Me".to_string(),
+                tag: "A003".to_string(),
+            }
+        );
     }
 }
diff --git a/crates/imap/src/op/acl.rs b/crates/imap/src/op/acl.rs
index 66dc89e2..bef68105 100644
--- a/crates/imap/src/op/acl.rs
+++ b/crates/imap/src/op/acl.rs
@@ -51,7 +51,7 @@ use crate::core::{MailboxId, Session, SessionData};
 
 impl<T: AsyncRead> Session<T> {
     pub async fn handle_get_acl(&mut self, request: Request<Command>) -> crate::OpResult {
-        match request.parse_acl() {
+        match request.parse_acl(self.version) {
             Ok(arguments) => {
                 let data = self.state.session_data();
                 let is_rev2 = self.version.is_rev2();
@@ -165,7 +165,7 @@ impl<T: AsyncRead> Session<T> {
     }
 
     pub async fn handle_my_rights(&mut self, request: Request<Command>) -> crate::OpResult {
-        match request.parse_acl() {
+        match request.parse_acl(self.version) {
             Ok(arguments) => {
                 let data = self.state.session_data();
                 let is_rev2 = self.version.is_rev2();
@@ -265,7 +265,7 @@ impl<T: AsyncRead> Session<T> {
 
     pub async fn handle_set_acl(&mut self, request: Request<Command>) -> crate::OpResult {
         let command = request.command;
-        match request.parse_acl() {
+        match request.parse_acl(self.version) {
             Ok(arguments) => {
                 let data = self.state.session_data();
 
@@ -489,7 +489,7 @@ impl<T: AsyncRead> Session<T> {
     }
 
     pub async fn handle_list_rights(&mut self, request: Request<Command>) -> crate::OpResult {
-        match request.parse_acl() {
+        match request.parse_acl(self.version) {
             Ok(arguments) => {
                 self.write_bytes(
                     StatusResponse::completed(Command::ListRights)
diff --git a/crates/imap/src/op/append.rs b/crates/imap/src/op/append.rs
index 90c33417..184bcf5a 100644
--- a/crates/imap/src/op/append.rs
+++ b/crates/imap/src/op/append.rs
@@ -36,7 +36,7 @@ use crate::core::{MailboxId, SelectedMailbox, Session, SessionData};
 
 impl<T: AsyncRead> Session<T> {
     pub async fn handle_append(&mut self, request: Request<Command>) -> crate::OpResult {
-        match request.parse_append() {
+        match request.parse_append(self.version) {
             Ok(arguments) => {
                 let (data, selected_mailbox) = self.state.session_mailbox_state();
 
diff --git a/crates/imap/src/op/copy_move.rs b/crates/imap/src/op/copy_move.rs
index 2edd9f57..5e2abf69 100644
--- a/crates/imap/src/op/copy_move.rs
+++ b/crates/imap/src/op/copy_move.rs
@@ -48,7 +48,7 @@ impl<T: AsyncRead> Session<T> {
         is_move: bool,
         is_uid: bool,
     ) -> crate::OpResult {
-        match request.parse_copy_move() {
+        match request.parse_copy_move(self.version) {
             Ok(arguments) => {
                 let (data, src_mailbox) = self.state.mailbox_state();