mail sent over test working fully now

config/test.yaml

@@ -67,7 +67,9 @@ mailer:
 # OAuth2 handshake, they just need the store to construct successfully.
 initializers:
   oauth2:
-    secret_key: 0123456789012345678901234567890123456789012345678901234567890123
+    # Private-cookie key: a ", "-separated list of >=64 byte values (not a
+    # plain string). This is loco-oauth2's documented sample key; fine for tests.
+    secret_key: "144, 76, 183, 1, 15, 184, 233, 174, 214, 251, 190, 186, 122, 61, 74, 84, 225, 110, 189, 115, 10, 251, 133, 128, 52, 46, 15, 66, 85, 1, 245, 73, 27, 113, 189, 15, 209, 205, 61, 100, 73, 31, 18, 58, 235, 105, 141, 36, 70, 92, 231, 151, 27, 32, 243, 117, 30, 244, 110, 89, 233, 196, 137, 130"
     authorization_code:
       - client_identifier: google
         client_credentials:

src/mailers/auth.rs

@@ -13,7 +13,17 @@ static set_password: Dir<'_> = include_dir!("src/mailers/auth/set_password");
 
 #[allow(clippy::module_name_repetitions)]
 pub struct AuthMailer {}
-impl Mailer for AuthMailer {}
+impl Mailer for AuthMailer {
+    /// Override the framework default (`System <system@example.com>`), which any
+    /// real MX rejects (`example.com` is nullMX). Must be a sender the SMTP
+    /// account is allowed to send as.
+    fn opts() -> mailer::MailerOpts {
+        mailer::MailerOpts {
+            from: "Kompress <info@kompress.sk>".to_string(),
+            ..Default::default()
+        }
+    }
+}
 impl AuthMailer {
     /// Sending welcome email the the given user
     ///

tests/mailer/smtp_send.rs

@@ -28,13 +28,16 @@ use serial_test::serial;
 // Non-secret production SMTP settings (mirror `.env`). The password is
 // intentionally NOT here: it is supplied at runtime via `SMTP_PASSWORD`
 // (direnv -> `pass`), and never committed.
-const SMTP_HOST: &str = "smtp.kompress.sk";
+// Dial the name the TLS cert is actually valid for. `smtp.kompress.sk` is a
+// DNS alias for the same server (213.215.124.101) but the cert only lists
+// smtp.euronet.sk, so connecting via the alias fails certificate validation.
+const SMTP_HOST: &str = "smtp.euronet.sk";
 const SMTP_PORT: &str = "587";
 const SMTP_USER: &str = "kompres";
 const SMTP_SECURE: &str = "true";
 
 // Where the test email is sent. Override with `MAILER_TEST_TO`.
-const DEFAULT_RECIPIENT: &str = "filipriec@gmail.com";
+const DEFAULT_RECIPIENT: &str = "filippriec@tutanota.com";
 
 #[tokio::test]
 #[serial]