Bob Lydiate: > I installed postfix server on Ubuntu 16.04 using a youtube video from > 'randomthoughts'. All of the testing and everything worked just fine, still > does. When I try to use Outlook to connect to my email account on my > server, I get nothing. Outlook says it was rejected, the logs on the server > do not even reflect that a connection was attempted. I have checked > /var/logs/syslog, /var/logs/mail.log, /var/logs/mail.err, > /var/logs/auth.log. I have rechecked my setup step by step and still cannot > connect. This does not only happen through Outlook, but through Thunderbird > which is actually on the server. After several days of this, I am at a > total loss, and have no idea where to look next. Any help would be > appreciated.
Basic test from a client machine: Linux, Mac: bash$ telnet hostname 25 Windows: C:\> telnet hostname 25 If the telnet command fails, you may need to update firewall rules. Wietse