[Mailman-Users] Trouble with mailman external responses

Paul Tomblin ptomblin at xcski.com
Wed Mar 7 20:47:12 CET 2007

Quoting Barry Warsaw (barry at python.org):
> On Mar 7, 2007, at 11:24 AM, Paul Tomblin wrote:
> >I tried to get around that by sending my outgoing mail through my
> >ISP's outgoing mail server (using Postfix's "relayhost =
> >[smtp-server.rochester.rr.com]"), but then my ISP wouuld decide I'd
> >sent enough mail for that day and block me for 24 hours.  For a while I
> >was using a friend's box on a colo facility for a relayhost, but
> >eventually I moved my lists to first a Virtual Private Server at
> >linode.com, and  then to my own colo box.
> Maybe you know Paul: I looked a long while back and never found a  
> good answer, but can Postfix set a relayhost on a per-recipient  
> basis?  IOW, for the one or two domains that block me because of my  

Yes.  When ISPs first started blocking dynamic IPs, I was adding them one
at a time to /etc/postfix/transport like this:

.rit.edu        smtp:smtp-server.rochester.rr.com
rit.edu smtp:smtp-server.rochester.rr.com
microsoft.com smtp:smtp-server.rochester.rr.com

Make sure you have
transport_maps = hash:/etc/postfix/transport
in /etc/postfix/main.cf

Paul Tomblin <ptomblin at xcski.com> http://blog.xcski.com/
"Belligerent Design: The theory that life was put on this planet by an
external sentient force just to piss me off." - Lore Brand Comics

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