On 10/5/2011 6:23 PM, John Allen wrote: > I am getting the following message/errors > > Oct 5 00:00:10 myhost postfix/qmgr[18862]: 125BC2400A7: > from=<[email protected]>, size=2760, nrcpt=1 (queue active) > Oct 5 00:00:10 myhost postfix/smtp[28713]: 125BC2400A7: enabling > PIX workarounds: disable_esmtp delay_dotcrlf for > mail.abc.tld[123.456.789.123]:25 > Oct 5 00:10:22 myhost postfix/smtp[28713]: 125BC2400A7: > to=<[email protected]>, relay=mail.abc.tld[123.456.789.123]:25, > delay=187500, delays=186888/0.01/0.16/612, dsn=4.4.2, > status=deferred (conversation with mail.abc.tld[123.456.789.123] > timed out while sending end of data -- message may be sent more than > once) > . > . > Oct 5 01:20:10 myhost postfix/qmgr[18862]: 125BC2400A7: > from=<[email protected]>, size=2760, nrcpt=1 (queue active) > Oct 5 01:20:10 myhost postfix/smtp[30509]: 125BC2400A7: enabling > PIX workarounds: disable_esmtp delay_dotcrlf for > mail.abc.tld[123.456.789.123]:25 > Oct 5 01:30:20 myhost postfix/smtp[30509]: 125BC2400A7: > to=<[email protected]>, relay=mail.abc.tld[123.156.789.123]:25, > delay=192299, delays=191688/0.01/0.23/610, dsn=4.4.2, status=deferred > > My understanding is that the first message is
first message is the first delivery attempt. The attempt timed out; it's impossible to know if the delivery actually succeeded or not. Postfix assumes "not" in order to not lose mail. > the original, and the > second and subsequent are postfix retrying the delivery. Yes. > my postconf -n output follows below, > 1) Am I misconfigured? Nothing here that would cause this problem. Some unrelated nit picks that I'll ignore. Maybe someone else will bite. > 2) How can I handle this sort of problem in future? Wait for the recipient to fix their system? If you're really interested, you can capture a TCP recording of the session and find out if there's anything dodgy going on with the network -- but more than likely the other end just quits talking. http://www.postfix.org/DEBUG_README.html#sniffer If you want to twiddle knobs, you can disable the pix delay_dotcrlf and see if it makes any difference. doubtful. http://www.postfix.org/postconf.5.html#smtp_pix_workarounds # main.cf smtp_pix_workarounds = disable_esmtp -- Noel Jones
