/dev/rob0:
> On Wednesday 05 October 2011 00:03:30 Janaka Wickramasinghe wrote:
> > Is there a way to limit the number of recipients per message
> > based on the sender email address ?
>
> This would require an external policy service acting on sender and
> recipient_count attributes. I'm not sure if any of the existing
> projects support this, but if not, you could hack them easily. Note,
> to use recipient_count, you would have to do your check_policy_service
> lookup in smtpd_(end_of_)data_restrictions.
>
> http://www.postfix.org/SMTPD_POLICY_README.html
> http://www.postfix.org/SMTPD_ACCESS_README.html
> http://www.postfix.org/postconf.5.html#smtpd_data_restrictions
The "postfwd" policy daemon can probably do this.
Wietse
