Halassy Zoltán a écrit : > Hello! > > I don't need to say, if your server is popular, you'll get a dozens of > spam too. Lately i am getting random mails from > www-d...@www.some.hackedsite.com . I am using address verification, so > they usually not coming in, cause port 25 is not open on > www.some.hackedsite.com (no MX record on www, so falling back to A, says > the RFC). But since it comes from a foreign mailqueue, they show up a > lot of times in my log (annoyingly huge amount), hence "a temporary > error in address verification" which gives 450 code. >
can you show an example? > So, is there a way (other than modify postfix source code) to drop > mails, when there is no MX records associated with the right-hand side > of the '@' (sender's e-mail domain) ? (i dont care about the A record, > spams has nothing to do with RFCs, and sane e-mail domain has an MX > record anyway) > If you insist, you can write a policy server to do that. but I don't think this would be a good idea. there are more effective ways to combat spam.
