From: Wietse Venema (wietseporcupine.org)
Date: Fri Jul 01 2005 - 22:13:44 CDT

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Peter Santiago:
[ Charset ISO-8859-1 unsupported, converting... ]
> Hi,
>
> I'd like to ask if you guys have something implemented for increased
> joe jobbing? I have an email address that is being spoofed as sender
> by spammers and sent to different servers, and all the bounces came
> back to me.... I know of a drastic action that is to remove that email
> address from the alias list so that Postfix will flat out reject the
> bounce with "550 unknown recipient error". Aside from this, any other
> ideas?

That would be to temporarily reject bounces to the address in
question, using the mechanisms in the RESTRICTION_CLASS_README
document, or an external policy daemon, to stop mail from <>,
postmaster, etc.

I don't have a ready to run example, as it hasn't happened yet
here.

        Wietse

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