Oliver Welter <mail@oliwel.de> wrote:
>
> Big trouble here - I have a customer that relays through my server.
> He relays using the address of his employeer as sender and sends mails
> to other people at this employeer. Their server has published SPF
> records and the Spam Wall blacklists me because I am trying to send mail
> that breaks the SPF rules.
>
> Is there a trick to ensure that relaying people can use only local
> domains as sender address [...]
You could easily enforce this with qmail-qfilter -- just write a filter that
rejects the message if RELAYCLIENT is set (or however else you're enabling
relaying) and the sender address domain isn't local/virtual.
Charles
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Charles Cazabon <qmail@discworld.dyndns.org>
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