Author: Peter Bowyer Date: To: exim users Subject: Re: [exim] Capturing Bad HELO
On 30/05/06, Marc Perkel <marc@???> wrote: > So - I'm getting a lot of these:
>
> 2006-05-30 14:28:52 rejected HELO from
> 58.red-88-11-33.dynamicip.rima-tde.net [88.11.33.58]: syntactically
> invalid argument(s): (no argument given)
>
> If I can what I'm thinking about is that it appears the system is
> catching these for me. What I want to do is capture these myself in an
> ACL so as to process them the way I want (IP capture and logging).
>
> So - I'm trying to understand what's causing it in the first place and
> what I might do with it. I've been feading spam and other info to
> several spam filtering lists to try to spread some of my data around and
> help others fight spam. So I'm more into harvesting than rejecting at
> the moment.
helo_verify_hosts
is what causes the rejection you're seeing. If you set
helo_try_verify_hosts instead, you can use
verify=helo
in a DATA acl to take some alternative course of action with invalid HELOs.