Sign up ×
Server Fault is a question and answer site for system and network administrators. It's 100% free, no registration required.

Server configuration

OS Centos 5.xx

SMTP exim / dovecot

I would like to know how to protect my server from smtp relay attacks.

Currently my server is experiencing smtp relay attack because of which it is sending spam mails i can't get how, i suspect it is smtp auth relay attack.


share|improve this question

1 Answer 1

Check . What version of Exim are you using?

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.