DomainHELP

You find yourself in a situation where email you send from your domain is being rejected by some remote mail servers with a message that your domain is listed in a DNS based blacklist.

The bounce message will contain a line like this:


550 Service unavailable; [your domain here] blocked using some.domain.rbl


There are two things you need to do in order to restore your mailserver integrity:

Sooner or later, this happens to almost everybody: you own a domain name and suddenly you start getting weird email bounce messages and you realize the unthinkable: somebody has sent out an email spam with your domain in the message "From" headers! What to do?

First step is to relax. this happens all the time, and unfortunately it is now your turn. Spammers use randomly selected domains in their From headers or sometimes deliberately target a victim domain (called a "joe job"). Keep a couple things in mind: