feat: add tracing to test mail

Cargo.lock

@@ -2149,6 +2149,7 @@ dependencies = [
  "rustls",
  "socket2 0.5.9",
  "tokio",
+ "tracing",
  "url",
  "webpki-roots 1.0.0",
 ]

web/Cargo.toml

@@ -20,7 +20,7 @@ futures-util = "0.3.30"
 serde_json = "1.0.114"
 pico-args = "0.5.0"
 rand = { version = "0.9", features = ["os_rng"] }
-lettre = { version = "0.11.11", default-features = false, features = ["builder", "smtp-transport", "async-std1-rustls-tls"] }
+lettre = { version = "0.11.11", default-features = false, features = ["builder", "smtp-transport", "async-std1-rustls-tls", "tracing"] }
 quick-xml = { version = "0.37", features = ["serde", "serialize"] }
 actix-web-static-files = "4.0"
 static-files = "0.2.1"

web/src/mail/mod.rs

@@ -14,13 +14,13 @@ mod forgot_password;
 mod registration;
 mod testmail;
 
-#[derive(Clone)]
+#[derive(Clone, Debug)]
 pub struct Mailer {
     transport: Transports,
     hostname: String,
 }
 
-#[derive(Clone)]
+#[derive(Clone, Debug)]
 enum Transports {
     SmtpTransport(AsyncSmtpTransport<AsyncStd1Executor>),
     #[allow(unused)]

web/src/mail/testmail.rs

@@ -1,21 +1,35 @@
-use lettre::{message::SinglePart, AsyncTransport, Message};
+use lettre::{
+    message::{Mailbox, SinglePart},
+    Address, AsyncTransport, Message,
+};
+use tracing::{debug, instrument};
 
 use crate::utils::ApplicationError;
 
 use super::Mailer;
 
 impl Mailer {
+    #[instrument]
     pub async fn send_test_mail(&self, to: &str) -> Result<(), ApplicationError> {
+        let sender_mailbox = Mailbox::new(
+            Some("noreply".to_string()),
+            Address::new("noreply", &self.hostname)?,
+        );
+
         let message = Message::builder()
-            .from("noreply <noreply@brasiwa-leipzig.de>".parse()?)
-            .reply_to("noreply <noreply@brasiwa-leipzig.de>".parse()?)
+            .from(sender_mailbox.clone())
+            .reply_to(sender_mailbox)
             .to(to.parse()?)
             .subject("Brass: Test E-Mail")
             .singlepart(SinglePart::plain(
                 "Testmail von Brass. E-Mail Versand funktioniert!".to_string(),
             ))?;
 
+        debug!("constructed test message");
+
         self.transport.send(message).await?;
+        debug!("sent test message");
+
         Ok(())
     }
 }