Prevent spoofing with DKIM
Email sender spoofing is the act of pretending to be in control of someone else’s email address. This is a
Read moreEmail sender spoofing is the act of pretending to be in control of someone else’s email address. This is a
Read moreSo many bad guys everywhere. Paranoia you say? Well, take a look at your mail log. While I was preparing
Read moreI would appreciate if you leave a comment here telling others if your mail server is running. Perhaps even a
Read moreGeneral troubleshooting tips Run “postfix check” to make Postfix look for obvious configuration errors. If it returns no output then
Read moreMy usual rant: I consider virus scanners snake oil. If anyone wants to seriously infect a computer by sending an infected
Read moreYou have a perfectly working mail server by now. But before you go live let’s do something about the insane amount
Read moreMaybe you already know what you have to do to create mail domains and mail users. After all I tried
Read moreAbout MX entries So now you have your working mail server. But how do other mail servers get to know
Read moreRelaying Your mail server is almost ready for use. But one puzzle piece is missing. Your users can already fetch
Read moreSo far you have spent considerable time with theory and configuration. Are you worried whether all you did actually leads to a
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