Originally Posted by alex916
Running telnet localhost 587 this is the output:
debian:/etc/postfix# telnet localhost 587
Connected to localhost.localdomain.
Escape character is '^]'.
220 debian.domain.tld ESMTP Postfix (Debian/GNU)
250-AUTH LOGIN PLAIN
Connection closed by foreign host.
I tried to use this tip from a remote pc with an outside ip but it doesn't work.
When I send an email, i can't authenticate me using port 587.
What's the exact error message? What's in the mail log? Did you enable "Server requires authentication." in your email client?