After my server was attacked and brought down by the Chinese I wasn’t certain whether or not the machine was compromised. I decided though to move my mail to Google Apps instead, preferring a good sleep over worries of another more ferocious attack. As my mail wasn’t on a live machine I could not …
Read more →Posts tagged with
Mail Server
Error: unexpected RCODE REFUSED
If you get many of these in your massages log, it is as a result of spammers hitting the mail server with bogus domains and the DNS is trying to resolve the IP to the domain, it is coming back false, and the mail server drops the message as designed. To avoid these message, though I like knowing …
Read more →