Author: Henry S. Thompson Date: To: Cyborg CC: exim-users Subject: Re: [exim] Hit with some kind of hidden multiple recipients relay
hack?
Cyborg via Exim-users <exim-users@???> writes:
> This means, you have an openrelay running, not necessarily on port 25,
> as the attacker did not use smtp-auth. He has send the mails directly,
> unencrypted and without an auth from an external system.
>
> How to fix:
>
> ...