I'm having a problem with my postfix install. I can't seem to get it to open up on any of the SMTP ports. I always get a connection timeout. When I do a nmap scan it shows the IMAP/s and POP3/s ports ...
I have setup Postfix as part of my ISPConfig implementation. It should just forward all mail. Clients should be able to define a new alias and receive mail on a different e-mail address, using ...
Today I mentioned strange issue on my ispconfig 3 installation. After some debugging it was clear that anyone can send emails to local domains without authentication. I checked main.cf and sow that ...