v0.0.3

src/routes/send.rs

@@ -128,6 +128,7 @@ pub async fn send_message_handler(
         host: session.smtp_host.clone(),
         port: session.smtp_port,
         tls: session.smtp_tls,
+        tls_verify: session.smtp_tls_verify,
         email: session.email.clone(),
         password: session.password.clone(),
     };
@@ -302,6 +303,7 @@ pub async fn send_message_handler(
             .map_err(AppError::InternalError)?,
         attachments,
         pgp,
+        max_message_size_bytes: config.max_message_size_bytes(),
     };
 
     // Send via SMTP. The exact RFC822 bytes returned here are also appended
@@ -309,7 +311,16 @@ pub async fn send_message_handler(
     let sent = smtp_client
         .send_message(&smtp_creds, &message)
         .await
-        .map_err(|e| AppError::ServiceUnavailable(format!("Failed to send email: {e}")))?;
+        .map_err(|e| match e {
+            crate::smtp::client::SmtpError::MessageTooLarge { actual, limit } => {
+                AppError::PayloadTooLarge(format!(
+                    "Message is {:.2} MiB after MIME encoding; configured limit is {:.2} MiB",
+                    actual as f64 / 1024.0 / 1024.0,
+                    limit as f64 / 1024.0 / 1024.0
+                ))
+            }
+            other => AppError::ServiceUnavailable(format!("Failed to send email: {other}")),
+        })?;
     let message_id = sent.message_id.clone();
 
     // Best-effort: append a copy to the "Sent" folder via the account's IMAP server.
@@ -318,6 +329,7 @@ pub async fn send_message_handler(
         host: session.imap_host.clone(),
         port: session.imap_port,
         tls: session.imap_tls,
+        tls_verify: session.imap_tls_verify,
         email: session.email.clone(),
         password: session.password.clone(),
     };