Xie, Wei:
> Need help!!!
>
> We are using Postfix-2.6.6 with TLS running on RHEL 5.10 for production trial.
>
> From the email delivery log, we see delay 967 seconds.
>
> Apr 28 11:03:18 cio-krc-pf03 postfix/smtp[5015]: 9934181190:
> to=<turek...@buckeyemail.osu.edu>,
> relay=mail.us.messaging.microsoft.com[216.32.181.178]:25, delay=967,
> delays=0/964/1.5/1.3, dsn=2.6.0, status=sent (250 2.6.0
> <27520027.166481398696426625.javamail.erequest.do.not.re...@osu.edu>
> [InternalId=9787221] Queued mail for delivery)
This needs 1.5 seconds for the TCP, SMTP and TLS handhake, and 1.3
seconds to deliver the message.
RHEL 5.10 is old. Why are you evaluating it for production?
> We have other servers running Postfix-2.6.6 with TLS on RHEL 6.4
> and email delivery is very fast below. The parameters for TLS and
> other default parameters are same as above Postfix running on RHEL
> 5.10 server.
>
> Apr 28 10:58:11 cio-krc-pf07 postfix/smtp[16802]: 64DA2500066:
> to=<neff....@buckeyemail.osu.edu>,
> relay=mail.us.messaging.microsoft.com[216.32.180.22]:25, delay=0.72,
> delays=0/0/0.28/0.44, dsn=2.6.0, status=sent (250 2.6.0
> <fafe453d676b3e3e740bc382f3bfc...@careers-osu-csm.symplicity.com>
> [InternalId=19618080] Queued mail for delivery).
This needs 0.28 for the TCP, SMTP and TLS handhake, and it also
uses less time to deliver mail. With less time needed to do the job,
less mail piles up in the Postfix queue.
If the same Postfix version and configuration different results on
different OS distributions, then it is a good bet that the OS
distribution is causing the difference, and that this requires
Viktor to look into what may be causing this.
Are you sure you did not swap the 5.10 and 6.4 release names?
Wietse
