[Mailer] EsmtpTransport TLS option

[Flower7C3]

Symfony version affected: 5.0.5

Description
I am not sure if it is really bug, or I am using something in wrong way. But when I want to setup EsmtpTransport with no TLS option it will be launched anyway. It was created on Aug 19, 2019 and still exists in master code.

[sebheitzmann]

i've got the same error.

MAILER_DSN=smtp://mail.2le.net:25

and when I try to send something :

In SocketStream.php line 154:
                                                                                                     
  Warning: stream_socket_enable_crypto(): SSL operation failed with code 1. OpenSSL Error messages:  
  error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed               
                                                                                                     

[Flower7C3]

I find out one solution for this is to disable SSL verify_peer and verify_peer_name. But I still thinks that there is a bug in the code I mention above.

$socketStreamOptions = json_decode('{"ssl":{"verify_peer":false,"verify_peer_name":false}}');

 /** @var Transport\Smtp\EsmtpTransport $transport */
$transport = Transport::fromDsn($dsn);

/** @var Transport\Smtp\Stream\SocketStream $socketStream */
$socketStream = $transport->getStream();
$socketStream->setStreamOptions($socketStreamOptions);

$mailer = new Mailer($transport);

[stof]

Well, if your SMTP server advocates STARTTLS support but does not have a valid cert, the bug is in your SMTP setup, not in Symfony.

[sebheitzmann]

Thanks for the advice. I will check that.

[sebheitzmann]

It's ok. The posfix config was wrong. Sorry. You can close this issue