On Tue, Jan 05, 2021 at 10:02:08AM +0100, Ansgar Wiechers wrote: > On 2021-01-05 Ruben Safir wrote: > > Any clue why this is happening from the cointalk.com domain > > I am locked out of the forum :) > > > > 2021-01-05T03:11:38.999012-05:00 www2 postfix/smtpd[26176]: NOQUEUE: > > reject: RCPT from 23-111-188-110.static.hvvc.us[23.111.188.110]: 450 > > 4.1.8 <ng...@server.cointalk.com>: Sender address rejected: Domain not > > found; from=<ng...@server.cointalk.com> to=<faceb...@mrbrklyn.com> > > proto=ESMTP helo=<server.cointalk.com> > > www2:~ # grep cointalk /var/log/mail|less > > > > > > www2:~ # dig mx ng...@server.cointalk.com > > > > ; <<>> DiG 9.9.2 <<>> mx ng...@server.cointalk.com > > ;; global options: +cmd > > ;; Got answer: > > ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 58851 > > ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1 > > > > ;; OPT PSEUDOSECTION: > > ; EDNS: version: 0, flags:; udp: 4096 > > ;; QUESTION SECTION: > > ;nginx\@server.cointalk.com. IN MX > > Your lookup is incorrect. The domain in question is server.cointalk.com, > not ng...@server.cointalk.com. The latter is the sender e-mail address > (localpart@domain). > > The cause of the problem, however, is that there is no A record for > server.cointalk.com: > > me@localhost:~ $ host server.cointalk.com > Host server.cointalk.com not found: 3(NXDOMAIN) > > Postfix rejects the mail because it cannot resolve the sender domain.
Thanks! I don't run cointalk.com But I will pass this info on > > Regards > Ansgar Wiechers > -- > "Abstractions save us time working, but they don't save us time learning." > --Joel Spolsky -- 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- RI Safir 2002 http://www.nylxs.com - Leadership Development in Free Software http://www2.mrbrklyn.com/resources - Unpublished Archive http://www.coinhangout.com - coins!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 extermination camps, but incompatible with living as a free human being. -RI Safir 2013
