Recently there seems to be some spam campaign that fills my mail.log with "hostname some.hostname.tld does not resolve to address" messages. Lots...
Hello everyone, lm pretty new at linux administration and l wanted to protect my mail server. Only l use this server for mail and studying....
Hi, I just start a new server, (with debian 10 and the last ispconfig) and after look into my log I see that I have a lots of wrong login like :...
Separate names with a comma.