OT: SORBS a PITA on spam backscatter ...

[Hugo van der Kooij]

On Wed, 13 Jun 2007, Garry Glendown wrote:

> Sorry, this is most likely somewhat off topic, but maybe I could get
> some suggestions ...
>
> One of our customers was hit by a presumably larger amount of spam
> mails, addressed to mail addresses collected somehow, but with errors in
> the addresses (first part of the mail address duplicated, like
> "johnjohn at do.main" instead of "john at do.main"). They are operating a
> multi-level mail service, with MS on our side, delivering to an SMTP
> proxy, then over through a virus scanner, and finally to the actual mail
> server (M$ Exchange). Mails are accepted, even by the Exchange server,
> which in turn generates a non-delivery receipt for wrong addresses.

Don't we just hate Exchange for this? Perhaps you should just let them 
have all the spam untill Exchange behaves correctly. Or setup some trick 
to learn wether or not a receiver address is in fact valid before you 
accept it.

Such an LDAP link is part of the competition.

Hugo.

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