>Stephan Knorr writes: >>I am trying to deny authenticated esmtp (on port 587) for local users who >>have configured their email-client with a foreign from-adress (not in our >>local domain).
On 12.11.14 08:13, Sam Varshavchik wrote: >What would be possible is writing a custom mail filter that rejects >messages from authenticated connections that do not have a matching >From: header: > >http://www.courier-mta.org/courierperlfilter.html > >Some documentation to get started on writing a custom filter in Perl. ... and I would just recommend not to block foreign domains, but even foreigh addresses - block any address user does not own, e.g. is not same as its login name or is not in aliases. -- Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/ Warning: I wish NOT to receive e-mail advertising to this address. Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. Save the whales. Collect the whole set. ------------------------------------------------------------------------------ Comprehensive Server Monitoring with Site24x7. Monitor 10 servers for $9/Month. Get alerted through email, SMS, voice calls or mobile push notifications. Take corrective actions from your mobile device. http://pubads.g.doubleclick.net/gampad/clk?id=154624111&iu=/4140/ostg.clktrk _______________________________________________ courier-users mailing list courier-users@lists.sourceforge.net Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users
