Re: [exim] listed at Backscatterer.org

> my mail server has been listed at backscatterer.org, and on their site
> they suggested that i should only send bounces to local users but i dont
> know how to implement this in exim. recently i found out that some of
> the ip's i allow relay for are infect and send a lot of mails with fake
> sender addresses, is their a way in exim that i can allow only senders
> with local + "accepted" domains to relay mails from my mail server. eg:
> that i allow a user@??? from <1.2.3.4> to relay through my
> server but user@??? from <1.2.3.4> not relay or send any
> mails. this will really help me as now what i normally do is block the
> smtp for the specific ip sending those spams which affect any legitimate
> emails. I really need help on this two problems. here is an example from
> the backscattere website.
>
> Backscatterer - Why it is abusive and how to stop your system doing so
>
> Email servers should be configured to provide Non-Delivery Reports
> (bounces) to local users only.
> Unacceptable email from anywhere else should be rejected.


When my email server was getting listed it was due to over quotta
accounts generating bounces. In the end I wrote perl script that
creates a list of over quotta email address every 5 minutes and
rejects at SMTP time rather then creating the bounce.

Matt