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Last updated on 2008-03-01.
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I'm behind a gateway that is not up all the time. I setup my box using static local IP, so whenever the gateway is up, I'm ready to surf.
However, I notice that whenever the gateway is not up, my sendmail is extremely slow, a
date | /usr/sbin/sendmail -v $USER
takes over 40 seconds to deliver — about 30 seconds for these first two ling to show up:
tong... Connecting to localhost.localdomain. via relay... 220 localhost.localdomain ESMTP Sendmail 8.12.5/8.12.5; Fri, 14 Mar 2003 12:42:32 -0500
Further more,
date | /usr/sbin/sendmail -v -f sender@some.domain.org $USER
takes much more longer:
[...]
Tong
From faq:
http://www.sendmail.org/faq/faq.txt
Q3.12 — Why do connections to the SMTP port take such a long time?
set the IDENT timeout to zero:
Tong
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