postfix wrote:
> Dear Wietse,
>
> would it be possible to add the following function to your excellent postfix
> program.
>
> when an email is sent from post fix it is given a "magic key", if an email
> is returned an action can be performed based the key being from postfix or
> not.
>
> the problem i have is spammers using my domain name & user list to send fake
> emails out of their systems, so if a mailer they are sending to rejects the
> email it comes back to my domain.
>
> some of my users are not so bright and are re-sending the emails out again,
> if i can prevent the emails hitting the users this would be helpful, as
> would a return message back to the sending site saying that the email was
> faked.
>
>
> a number of sites are trying to get me black listed purely because they see
> our domain name on the emails.
>
> steve

Jumping in here, but that could work both ways. The spammer using
Postfix could use the magic key to identify complainers and do what is
known as listwashing. It does remove you from the spammers list, but
does nothing to quench the flow of spew to other netizens since the
complainer that was removed would not be filing further complaints.

...Ken

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