On 02/29/2016 04:19 AM, Stephen J. Turnbull wrote: > > From looking at your Postfix logs, it looks as though you have a major > > DNS problem. I suggest that you install bind and set up a caching DNS > > server on the same box that is running Mailman. > > Good idea, but I suspect that wouldn't help enough, as the test I did > on gnutelephony.org timed out. You don't cache a timeout, you retry > (or if you're human, you curse the spammers and remove the address). > That was at home, now, with a university-grade network connection, I'm > getting NXDOMAIN. It takes ~10s (middle of 3), though, which is a > pretty substantial delay.[1]
bind is running on the server and is the primary DNS and has been for a little over a decade? Bind and the DNS can handle the workflow, or it has since 1998. I don't believe it handles a single connection at a time... and neither does postfix. I'll try to run everything on 12.0.0.1 8000 like was recommended, but truly it doesn't make sense to me that any of these things should cause such a slowdown. Postfix used to handle nearly 500 simultaneous outbound requests with no problem, regardless how many bad email addresses are present. failure is PART of email, and not an exceptional occurrence. -- So many immigrant groups have swept through our town that Brooklyn, like Atlantis, reaches mythological proportions in the mind of the world - RI Safir 1998 http://www.mrbrklyn.com DRM is THEFT - We are the STAKEHOLDERS - RI Safir 2002 http://www.nylxs.com - Leadership Development in Free Software http://www2.mrbrklyn.com/resources - Unpublished Archive http://www.coinhangout.com - coins! http://www.brooklyn-living.com Being so tracked is for FARM ANIMALS and and extermination camps, but incompatible with living as a free human being. -RI Safir 2013 ------------------------------------------------------ Mailman-Users mailing list Mailman-Users@python.org https://mail.python.org/mailman/listinfo/mailman-users Mailman FAQ: http://wiki.list.org/x/AgA3 Security Policy: http://wiki.list.org/x/QIA9 Searchable Archives: http://www.mail-archive.com/mailman-users%40python.org/ Unsubscribe: https://mail.python.org/mailman/options/mailman-users/archive%40jab.org