The simplest option is to just use the chkuser patch which gives a 5xx error
at the time the email is coming in. If you have a catch all, it will go to
that account, if you don't well the email never gets in to begin with.
>From: Tom Jackson [mailto:[EMAIL PROTECTED]
>Sent: Sunday, 1 February 2004 3:26 PM
>To: [EMAIL PROTECTED]
>Subject: Re: [vchkpw] possible to refine local domains to
>On Sat, 2004-01-31 at 21:58, Kurt Bigler wrote:
>> Actually what I see are double bounces, and I make the
>inference about what
>> would have happenned if the from address of the original
>message accepted by
>> my SMTP had actually existed. Please correct me if that
>inference is wrong.
>Combining the fact of a double bounce, with a local account which
>doesn't exist (like [EMAIL PROTECTED]), along with a conclusion that
>the email is spam, indicates to me that the bounce is the intended
>target of the email. Sometimes the email is not valid, so you
>bounces as well. Otherwise, if the target exists, it gets relayed as a
>bounce. A failure notice might even have a higher change that the user
>will read it, just to make sure one of their emails didn't bounce.
>I discovered this last week. I decided to delete the email instead of
>refusing it. This gives the spammer no information on whether the email
>address is valid or not.
>As suggested by Ken Jones:
>Set your bounce option to delete. The .qmail-default file will
>| /home/vpopmail/bin/vdelivermail '' delete