From: Victor Duchovni (no email)
Date: Thu Nov 01 2007 - 10:36:53 EDT
On Thu, Nov 01, 2007 at 02:24:43PM +0000, wrote:
> 1) That's not the domain that's having problems.
> 2) It's MX-es are not running postfix (they are running courier)
> 3) The MX-es are there for a reason. Google "nolisting".
Which requires just 3 MX hosts not 66.
> 4) Lots of MX-es are no excuse whatsoever for not re-trying them in the
> correct order, whether their IPs get reported back in the additional
> section or not.
The additional section is a red herring, please report some evidence.
How many MX hosts does the domain in question have? How big is the
DNS response packet?
20050622
Cleanup: the DNS lookup code now accommodates name server
replies longer than 4 kbytes, with a hard upper limit of
32kbytes. For safety reasons, the number of MX host addresses
that the SMTP client will try was reduced from unlimited
to just 5, so that Postfix won't spend forever trying to
connect to dozens and dozens of bogus MX hosts. Files:
dns/dns_lookup.c, global/mail_params.h.
The "5" in question are the best 5 obtained. If the results were
truncated, and the MX records were shuffled, so that the truncated
response omits the best MX hosts, don't create jumbo MX RRsets.
Report "postconf mail_version mail_release_date" output.
-- Viktor. Disclaimer: off-list followups get on-list replies or get ignored. Please do not ignore the "Reply-To" header. To unsubscribe from the postfix-users list, visit http://www.postfix.org/lists.html or click the link below: <mailto:?body=unsubscribe%20postfix-users> If my response solves your problem, the best way to thank me is to not send an "it worked, thanks" follow-up. If you must respond, please put "It worked, thanks" in the "Subject" so I can delete these quickly.
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