David Hwang wrote: >I know this is probably tangential to the purpose of the list, but > >people here have been very friendly and helpful in my quest to get >mailman up and running on my Trustix system. > >I was following the mail delivery logs and came across some odd errors >that I'm hoping someone can help me decipher and ultimately find a fix. > >Or if someone has a suggestion where a better place to ask might be, I'd >appreciate that as well.
You're right. This is off topic for this list, but ... >This is what I'm seeing: > >Nov 8 01:10:04 m5 postfix/smtp[1035]: 9CD0117F3B: >to=<[EMAIL PROTECTED]>, relay=gateway-s.comcast.net[63.240.76.26], d >elay=58387, status=deferred (host gateway-s.comcast.net[63.240.76.26] >said: 450 [TEMPFAIL] comcast.net requires valid sende >r domain (in reply to RCPT TO command)) >Nov 8 01:10:04 m5 postfix/smtp[1040]: 9608F17F45: >to=<[EMAIL PROTECTED]>, relay=gateway-r.comcast.net[204.127.198.26], >delay=13841, status=deferred (host >gateway-r.comcast.net[204.127.198.26] said: 450 [TEMPFAIL] comcast.net >requires valid s >ender domain (in reply to RCPT TO command)) >Nov 8 01:10:05 m5 postfix/smtp[1043]: 5B71317F43: >to=<[EMAIL PROTECTED]>, relay=gateway-r.comcast.net[204.127.198.26], de >lay=5035, status=deferred (host gateway-r.comcast.net[204.127.198.26] >said: 450 [TEMPFAIL] comcast.net requires valid sende >r domain (in reply to RCPT TO command)) >Nov 8 01:10:07 m5 postfix/smtp[1030]: 6F0C917F47: >to=<[EMAIL PROTECTED]>, relay=gateway-r.comcast.net[216.148.227.126], d >elay=4409, status=deferred (host gateway-r.comcast.net[216.148.227.126] >said: 450 [TEMPFAIL] comcast.net requires valid sen >der domain (in reply to RCPT TO command)) > > >What does "comcast.net requires valid sender domain (in reply to RCPT TO >command))" mean? I've seen this before and here's what's happening. Your postfix is trying to deliver a message to these users in the comcast.net domain. It establishes an SMTP connection with an SMTP server at gateway-r.comcast.net. It starts by identifying itself with a HELO or EHLO command, e.g. EHLO your_domain or similar and receives an afirmative reply It then says MAIL FROM <sender_address> to initiate sending mail. This specifies the sender of the envelope. It gets an afirmative reply and then sends RCPT TO <[EMAIL PROTECTED]> for example, and receives 450 [TEMPFAIL] comcast.net requires valid sender domain in reply. This means gateway-r.comcast.net didn't like the domain part of <sender_address>. Maybe it's missing. Maybe it doesn't have a DNS entry. Normally, it is set by the originator of the mail - Mailman if it is delivery of a list post, your MUA if it is a mail you composed and sent. >I assume that I've got something wrong in my configuration (Postfix, >Spamassassin, Amavisd, Mailman) or in my DNS, but where should I start >debugging? It could be a Mailman issue if these are list messages. Mailman sets the envelope sender for a list post to [EMAIL PROTECTED] or if VERP'd [EMAIL PROTECTED] In any case, the sender domain is the host_name attribute of the list which is visible on the General Options page. For more info, see for example <http://www.cse.ohio-state.edu/cgi-bin/rfc/rfc2821.html> -- Mark Sapiro <[EMAIL PROTECTED]> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan ------------------------------------------------------ Mailman-Users mailing list Mailman-Users@python.org http://mail.python.org/mailman/listinfo/mailman-users Mailman FAQ: http://www.python.org/cgi-bin/faqw-mm.py Searchable Archives: http://www.mail-archive.com/mailman-users%40python.org/ Unsubscribe: http://mail.python.org/mailman/options/mailman-users/archive%40jab.org Security Policy: http://www.python.org/cgi-bin/faqw-mm.py?req=show&file=faq01.027.htp
