Use smtp module from plume_models instead of lettre directly

plume-models/src/lib.rs

@@ -16,6 +16,7 @@ extern crate serde_json;
 #[macro_use]
 extern crate tantivy;
 
+pub use lettre;
 pub use lettre::smtp;
 use once_cell::sync::Lazy;
 use plume_common::activity_pub::{inbox::InboxError, request, sign};

src/mail.rs

@@ -6,7 +6,7 @@ pub use self::mailer::*;
 
 #[cfg(feature = "debug-mailer")]
 mod mailer {
-    use lettre::{SendableEmail, Transport};
+    use plume_models::smtp::{SendableEmail, Transport};
     use std::io::Read;
 
     pub struct DebugTransport;
@@ -46,13 +46,10 @@ mod mailer {
 
 #[cfg(not(feature = "debug-mailer"))]
 mod mailer {
-    use lettre::{
+    use plume_models::smtp::{
-        smtp::{
+        authentication::{Credentials, Mechanism},
-            authentication::{Credentials, Mechanism},
+        extension::ClientId,
-            extension::ClientId,
+        ConnectionReuseParameters, SmtpClient, SmtpTransport,
-            ConnectionReuseParameters,
-        },
-        SmtpClient, SmtpTransport,
     };
     use plume_models::CONFIG;
 

src/routes/session.rs

@@ -1,5 +1,5 @@
 use crate::routes::RespondOrRedirect;
-use lettre::Transport;
+use plume_models::lettre::Transport;
 use rocket::http::ext::IntoOwned;
 use rocket::{
     http::{uri::Uri, Cookie, Cookies, SameSite},