Better log email errors

crates/email/src/mailer.rs

@@ -90,6 +90,17 @@ impl Mailer {
     /// # Errors
     ///
     /// Will return `Err` if the email failed rendering or failed sending
+    #[tracing::instrument(
+        skip_all,
+        fields(
+            email.to = %to,
+            email.from = %self.from,
+            user.id = %context.user().id,
+            user_email_verification.id = %context.verification().id,
+            user_email_verification.code = context.verification().code,
+        ),
+        err,
+    )]
     pub async fn send_verification_email(
         &self,
         to: Mailbox,

crates/email/src/transport/mod.rs

@@ -147,7 +147,6 @@ impl AsyncTransport for Transport {
         match self.inner.as_ref() {
             TransportInner::Blackhole => {
                 tracing::warn!(
-                    ?envelope,
                     "An email was supposed to be sent but no email backend is configured"
                 );
             }

crates/templates/src/context.rs

@@ -594,6 +594,18 @@ impl EmailVerificationContext {
     pub fn new(user: User, verification: UserEmailVerification) -> Self {
         Self { user, verification }
     }
+
+    /// Get the user to which this email is being sent
+    #[must_use]
+    pub fn user(&self) -> &User {
+        &self.user
+    }
+
+    /// Get the verification code being sent
+    #[must_use]
+    pub fn verification(&self) -> &UserEmailVerification {
+        &self.verification
+    }
 }
 
 impl TemplateContext for EmailVerificationContext {