Hi Wietse,
I have already asked the ISP, they said it's not the problem on their side.
It's mailgate2 our receiving side that is slow.The postfix 2.5.6 running in
mailgate2 does not turn on any header_check, body_check checking. Plainly
delivery to the backend.
[root@mailgate2 incoming]# ps -ef | grep postfixroot 5772 1 0 2012 ?
00:00:20 /usr/libexec/postfix/masterpostfix 28984 5772 0 2012 ?
00:00:27 qmgr -l -t fifo -upostfix 21437 5772 0 Jan14 ? 00:00:00
anvil -l -t unix -upostfix 21569 5772 0 Jan14 ? 00:00:01
trivial-rewrite -n rewrite -t unix -upostfix 24843 5772 0 15:27 ?
00:00:00 trivial-rewrite -n rewrite -t unix -upostfix 25016 5772 0 16:28 ?
00:00:00 smtpd -n smtp -t inet -u -o stress postfix 25251 5772 0 18:41
? 00:00:00 smtpd -n smtp -t inet -u -o stress postfix 25252 5772 0
18:41 ? 00:00:00 cleanup -z -t unix -upostfix 25260 5772 0 18:45 ?
00:00:00 smtpd -n smtp -t inet -u -o stress postfix 25261 5772 0 18:45 ?
00:00:00 cleanup -z -t unix -upostfix 25264 5772 0 18:46 ?
00:00:00 smtpd -n smtp -t inet -u -o stress postfix 25269 5772 0 18:46 ?
00:00:00 cleanup -z -t unix -upostfix 25290 5772 0 18:57 ?
00:00:00 smtpd -n smtp -t inet -u -o stress postfix 25291 5772 0 18:57 ?
00:00:00 cleanup -z -t unix -upostfix 25295 5772 0 19:00 ?
00:00:00 smtpd -n smtp -t inet -u -o stress postfix 25296 5772 0 19:00 ?
00:00:00 cleanup -z -t unix -upostfix 25303 5772 0 19:02 ?
00:00:00 smtpd -n smtp -t inet -u -o stress postfix 25304 5772 0 19:02 ?
00:00:00 cleanup -z -t unix -upostfix 25315 5772 0 19:09 ?
00:00:00 smtpd -n smtp -t inet -u -o stress postfix 25316 5772 0 19:09 ?
00:00:00 cleanup -z -t unix -upostfix 25322 5772 0 19:14 ?
00:00:00 smtpd -n smtp -t inet -u -o stress postfix 25323 5772 0 19:14 ?
00:00:00 cleanup -z -t unix -upostfix 25326 5772 0 19:16 ?
00:00:00 cleanup -z -t unix -upostfix 25330 5772 0 19:20 ? 00:00:00
smtpd -n smtp -t inet -u -o stress postfix 25331 5772 0 19:20 ?
00:00:00 cleanup -z -t unix -upostfix 25347 5772 0 19:29 ? 00:00:00
smtpd -n smtp -t inet -u -o stress postfix 25348 5772 0 19:29 ?
00:00:00 cleanup -z -t unix -upostfix 25353 5772 0 19:33 ? 00:00:00
smtpd -n smtp -t inet -u -o stress postfix 25354 5772 0 19:33 ?
00:00:00 cleanup -z -t unix -upostfix 25407 5772 0 20:11 ? 00:00:00
smtpd -n smtp -t inet -u -o stress postfix 25408 5772 0 20:11 ?
00:00:00 cleanup -z -t unix -upostfix 25431 5772 0 20:24 ? 00:00:00
smtpd -n smtp -t inet -u -o stress postfix 25432 5772 0 20:24 ?
00:00:00 cleanup -z -t unix -upostfix 25444 5772 0 20:37 ? 00:00:00
smtpd -n smtp -t inet -u -o stress postfix 25445 5772 0 20:37 ?
00:00:00 cleanup -z -t unix -upostfix 25453 5772 0 20:42 ? 00:00:00
smtpd -n smtp -t inet -u -o stress postfix 25454 5772 0 20:42 ?
00:00:00 cleanup -z -t unix -upostfix 25471 5772 0 20:53 ? 00:00:00
smtpd -n smtp -t inet -u -o stress postfix 25472 5772 0 20:53 ?
00:00:00 cleanup -z -t unix -upostfix 25491 5772 0 21:07 ? 00:00:00
smtpd -n smtp -t inet -u -o stress postfix 25493 5772 0 21:07 ?
00:00:00 cleanup -z -t unix -upostfix 25528 5772 0 21:21 ? 00:00:00
smtpd -n smtp -t inet -u -o stress postfix 25530 5772 0 21:21 ?
00:00:00 cleanup -z -t unix -upostfix 25608 5772 0 21:51 ? 00:00:00
smtpd -n smtp -t inet -u -o stress postfix 25609 5772 0 21:51 ?
00:00:00 cleanup -z -t unix -upostfix 25701 5772 0 22:14 ? 00:00:00
pickup -l -t fifo -upostfix 25910 5772 0 23:06 ? 00:00:00 smtpd -n
smtp -t inet -u -o stress postfix 25911 5772 0 23:06 ? 00:00:00
cleanup -z -t unix -upostfix 25979 5772 0 23:21 ? 00:00:00 smtpd -n
smtp -t inet -u -o stress postfix 25980 5772 0 23:21 ? 00:00:00
cleanup -z -t unix -upostfix 26013 5772 0 23:33 ? 00:00:00 smtpd -n
smtp -t inet -u -o stress postfix 26014 5772 0 23:33 ? 00:00:00
cleanup -z -t unix -upostfix 26015 5772 0 23:33 ? 00:00:00 smtp -t
unix -uroot 26017 25944 0 23:34 pts/3 00:00:00 grep postfix
[root@mailgate2 incoming]# ps -ef|grep cleanuppostfix 25237 5772 0 18:32 ?
00:00:00 cleanup -z -t unix -upostfix 25252 5772 0 18:41 ?
00:00:00 cleanup -z -t unix -upostfix 25261 5772 0 18:45 ? 00:00:00
cleanup -z -t unix -upostfix 25269 5772 0 18:46 ? 00:00:00 cleanup -z
-t unix -upostfix 25291 5772 0 18:57 ? 00:00:00 cleanup -z -t unix
-upostfix 25296 5772 0 19:00 ? 00:00:00 cleanup -z -t unix -upostfix
25304 5772 0 19:02 ? 00:00:00 cleanup -z -t unix -upostfix 25316
5772 0 19:09 ? 00:00:00 cleanup -z -t unix -upostfix 25323 5772 0
19:14 ? 00:00:00 cleanup -z -t unix -upostfix 25326 5772 0 19:16 ?
00:00:00 cleanup -z -t unix -upostfix 25331 5772 0 19:20 ?
00:00:00 cleanup -z -t unix -upostfix 25348 5772 0 19:29 ? 00:00:00
cleanup -z -t unix -upostfix 25354 5772 0 19:33 ? 00:00:00 cleanup -z
-t unix -upostfix 25408 5772 0 20:11 ? 00:00:00 cleanup -z -t unix
-upostfix 25432 5772 0 20:24 ? 00:00:00 cleanup -z -t unix -upostfix
25445 5772 0 20:37 ? 00:00:00 cleanup -z -t unix -upostfix 25454
5772 0 20:42 ? 00:00:00 cleanup -z -t unix -upostfix 25472 5772 0
20:53 ? 00:00:00 cleanup -z -t unix -upostfix 25493 5772 0 21:07 ?
00:00:00 cleanup -z -t unix -upostfix 25530 5772 0 21:21 ?
00:00:00 cleanup -z -t unix -upostfix 25609 5772 0 21:51 ? 00:00:00
cleanup -z -t unix -upostfix 25911 5772 0 23:06 ? 00:00:00 cleanup -z
-t unix -upostfix 25980 5772 0 23:21 ? 00:00:00 cleanup -z -t unix
-uroot 26003 25944 0 23:29 pts/3 00:00:00 grep cleanup
[root@mailgate2 incoming]# netstat -a Active Internet connections
(servers and established)Proto Recv-Q Send-Q Local Address
Foreign Address State tcp 0 0 *:domain
*:* LISTEN tcp 0 0 *:smtp
*:* LISTEN tcp 0 0
202.64.220.52:smtp ttsenmta4.ttasia.com:63490 ESTABLISHED tcp
0 0 202.64.220.52:smtp ttsenmta4.ttasia.com:54292 ESTABLISHED
tcp 0 0 202.64.220.52:smtp ttsenmta2.ttasia.com:61735
ESTABLISHED tcp 0 0 202.64.220.52:smtp
ttsenmta2.ttasia.com:54052 ESTABLISHED tcp 0 0 202.64.220.52:smtp
ttsenmta4.ttasia.com:64812 ESTABLISHED tcp 0 0
202.64.220.52:smtp ttsenmta2.ttasia.com:65081 ESTABLISHED tcp
0 0 202.64.220.52:smtp ttsenmta4.ttasia.com:52294 ESTABLISHED
tcp 0 0 202.64.220.52:smtp ttsenmta4.ttasia.com:59464
ESTABLISHED tcp 0 0 202.64.220.52:smtp
ttsenmta2.ttasia.com:55907 ESTABLISHED tcp 0 0 202.64.220.52:smtp
ttsenmta4.ttasia.com:57448 ESTABLISHED tcp 0 0
202.64.220.52:smtp ttsenmta4.ttasia.com:53610 ESTABLISHED tcp
0 0 202.64.220.52:smtp ttsenmta2.ttasia.com:60559 ESTABLISHED
Regards,Fred​
On Tue, 01/15/2013 11:13 PM, Wietse Venema <[email protected]> wrote:
> Fred Ho:
> > The sending machine (ttenmta*.ttasia.com) is our external ISP that
> > will do the filtering, SPAM blocking etc. before routing to
> > mailgate2.
> > Here's an message just finished delivery which the size is 14,789,491
> > bytes. It took over an hour to complete the transfer. It is not
> > right.
>
> I would not be surprised that the slow-down is with the SPAM filter
> service.
>
> How would you find out? If you look at your TCP/IP receive queues
> (netstat -a, or whatever it is on your OS) you will see numbers
> close to zero, i.e. the receiver is faster than the sender.
>
> Wietse
>
>
