* Fred Ho <f...@fredho.net>: > Hi, > I am running Postfix version 2.5.6 on RedHat 4 and is experiencing > periodic duplicated mails.The RedHat mailserver is the mailhub > receiving incoming mails from the ISP and forward mails to the > internal mail server. > Occasionally, users are complaining receiving > duplicated mails on the same day with 1-2 hours apart.Here's one of > the snipped log entries on the same incoming mails being delivered > twice:
CISCO PIX/ASA in your mail path? > Oct 31 10:15:16 mailgate2 postfix/smtpd[9647]: connect from > ttsenmta2.ttasia.com[210.17.183.8] > Oct 31 10:15:17 mailgate2 postfix/smtpd[9647]: 4803D7F20: > client=ttsenmta2.ttasia.com[210.17.183.8] > Oct 31 10:15:17 mailgate2 postfix/cleanup[9648]: 4803D7F20: > message-id=<002601cdb70d$8e5363e0$aafa2ba0$@com.tw> > Oct 31 13:04:23 mailgate2 postfix/qmgr[4869]: 4803D7F20: > from=<v...@otogarment.com>, size=595890, nrcpt=3 (queue active) > Oct 31 13:04:23 mailgate2 postfix/smtp[10206]: 4803D7F20: > to=<i...@ss-intl.com>, relay=192.168.1.21[192.168.1.21]:25, delay=10147, > delays=10146/0/0/0.3, dsn=2.0.0, status=sent (250 Mail queued for delivery) > Oct 31 13:04:23 mailgate2 postfix/smtp[10206]: 4803D7F20: > to=<rick...@ss-intl.com>, relay=192.168.1.21[192.168.1.21]:25, delay=10147, > delays=10146/0/0/0.3, dsn=2.0.0, status=sent (250 Mail queued for delivery) > Oct 31 13:04:23 mailgate2 postfix/smtp[10206]: 4803D7F20: > to=<sherry...@ss-intl.com>, relay=192.168.1.21[192.168.1.21]:25, delay=10147, > delays=10146/0/0/0.3, dsn=2.0.0, status=sent (250 Mail queued for delivery) > Oct 31 13:04:23 mailgate2 postfix/qmgr[4869]: 4803D7F20: removed > > Oct 31 10:30:23 mailgate2 postfix/smtpd[9688]: connect from > ttsenmta2.ttasia.com[210.17.183.8] > Oct 31 10:30:23 mailgate2 postfix/smtpd[9688]: F097C7F1F: > client=ttsenmta2.ttasia.com[210.17.183.8] > Oct 31 10:30:24 mailgate2 postfix/cleanup[9689]: F097C7F1F: > message-id=<002601cdb70d$8e5363e0$aafa2ba0$@com.tw> > Oct 31 10:30:26 mailgate2 postfix/qmgr[4869]: F097C7F1F: > from=<v...@otogarment.com>, size=595890, nrcpt=3 (queue active) > Oct 31 10:30:26 mailgate2 postfix/smtpd[9688]: disconnect from > ttsenmta2.ttasia.com[210.17.183.8] > Oct 31 10:30:26 mailgate2 postfix/smtp[9685]: F097C7F1F: > to=<i...@ss-intl.com>, relay=192.168.1.21[192.168.1.21]:25, delay=2.6, > delays=2.3/0/0/0.3, dsn=2.0.0, status=sent (250 Mail queued for delivery) > Oct 31 10:30:26 mailgate2 postfix/smtp[9685]: F097C7F1F: > to=<rick...@ss-intl.com>, relay=192.168.1.21[192.168.1.21]:25, delay=2.6, > delays=2.3/0/0/0.3, dsn=2.0.0, status=sent (250 Mail queued for delivery) > Oct 31 10:30:26 mailgate2 postfix/smtp[9685]: F097C7F1F: > to=<sherry...@ss-intl.com>, relay=192.168.1.21[192.168.1.21]:25, delay=2.6, > delays=2.3/0/0/0.3, dsn=2.0.0, status=sent (250 Mail queued for delivery) > Oct 31 10:30:26 mailgate2 postfix/qmgr[4869]: F097C7F1F: removed > > Can someone explain why there's a delay in delivery at 10:15:17 until 13:04? > The ISP said they didn't receive the 250 OK after end of DATA and hence retry > later at 10:30 which was delivered immediately. -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Axel von der Ohe, Marc Schiffbauer Aufsichtsratsvorsitzender: Joerg Heidrich
