4 ms·
Incidentally, so is application@yellowla.com Message not delivered Your message couldn't be delivered to application@yellowla.com because the remote server is
by tentativeuser 8y ago
Incidentally, so is application@yellowla.com
Message not delivered
Your message couldn't be delivered to application@yellowla.com because the remote server is misconfigured. See technical details below for more information.
The response from the remote server was:
550 5.7.1 Relaying denied