Registry caching and directory synchronization

crates/smtp/src/inbound/auth.rs

@@ -111,7 +111,11 @@ impl<T: SessionStream> Session<T> {
             .and_then(|access_token| access_token.assert_has_permission(Permission::EmailSend));
 
         let result = match result {
-            Ok(access_token) => self.server.account_info(access_token.account_id()).await,
+            Ok(access_token) => {
+                self.server
+                    .account_info(access_token.account_id())
+                    .await
+            }
             Err(err) => Err(err),
         };
 
@@ -198,7 +202,7 @@ impl<T: SessionStream> Session<T> {
         self.data.authenticated_as.is_some()
     }
 
-    pub fn authenticated_emails(&self) -> impl Iterator<Item = &str> {
+    pub fn authenticated_emails(&self) -> &[String] {
         self.data.authenticated_as.as_ref().unwrap().addresses()
     }
 }

crates/smtp/src/inbound/mail.rs

@@ -245,7 +245,10 @@ impl<T: SessionStream> Session<T> {
             {
                 let address_lcase = self.data.mail_from.as_ref().unwrap().address_lcase.as_str();
                 if authenticated_as != address_lcase
-                    && !self.authenticated_emails().any(|e| e == address_lcase)
+                    && !self
+                        .authenticated_emails()
+                        .iter()
+                        .any(|e| e == address_lcase)
                 {
                     trc::event!(
                         Smtp(SmtpEvent::MailFromUnauthorized),
@@ -255,6 +258,7 @@ impl<T: SessionStream> Session<T> {
                             .into_iter()
                             .chain(
                                 self.authenticated_emails()
+                                    .iter()
                                     .map(|e| trc::Value::String(e.into()))
                             )
                             .collect::<Vec<_>>()