I'm using a very old Ubuntu server that was some time ago a mail server which was infected. Sadly there is a running web page on that server. Some script/page/malware is trying to send a lot of spam - ...
My mail server hosts email for two different domains which it responds to as physical domains and also handles several virtual emails. Yes, this is insane, but postfix lets me do this. Recently, I ...
I have a linux machine running at home. I installed sendmail as MTA. But I can't send email outside to internet email addresses. I am not sure whether it's because the config of my sendmail or ...
What is a good MTA (e.g. Postfix or something else) setup for a home computer behind a NAT, or a laptop that is not always online? I've read a lot of Postfix tutorials on how to set it up this way or ...