Re: postfix delivery delay causing duplicate mail delivery

2012-11-01 Thread Viktor Dukhovni
On Thu, Nov 01, 2012 at 08:37:43AM +0800, Fred Ho wrote: > The problem happened intermittently with different senders and > I found it usually involved multiple recipients and have attachments. > What I don't understand is Postfix qmgr took over 2 hours later > to process that stucked mail while

Re: postfix delivery delay causing duplicate mail delivery

2012-10-31 Thread Fred Ho
The problem happened intermittently with different senders and I found it usually involved multiple recipients and have attachments. ISP informs me that they timeout in 10 minutes in expecting a return 250 OK after they sent the ". " which Postfix was not acknowledging. What I don't understand

Re: postfix delivery delay causing duplicate mail delivery

2012-10-31 Thread Viktor Dukhovni
On Thu, Nov 01, 2012 at 12:38:26AM +0800, Fred Ho wrote: > OK, smtpd[9647]: disconnect happened at 13:04:23. There's no > smtpd[9647] entries after 10:15:16. > > 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/

Re: postfix delivery delay causing duplicate mail delivery

2012-10-31 Thread Fred Ho
OK, smtpd[9647]: disconnect happened at 13:04:23. There's no smtpd[9647] entries after 10:15:16. 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[210.17.18

Re: postfix delivery delay causing duplicate mail delivery

2012-10-31 Thread Ralf Hildebrandt
* Fred Ho : > Hi, > Between 10:15:17 and 13:04:23 there's no 4803D7F20 related items like that of > F097C7F1F. > Oct 31 10:15:14 mailgate2 postfix/smtp[9660]: 2C9897F20: > to=, relay=outbound10.ttasia.com[210.17.183.10]:25, > delay=2.2, delays=0.05/0/0.05/2.1, dsn=2.6.0, status=sent (250 2.6.0

Re: postfix delivery delay causing duplicate mail delivery

2012-10-31 Thread Viktor Dukhovni
On Wed, Oct 31, 2012 at 11:32:20PM +0800, Fred Ho wrote: > 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 postfi

Re: postfix delivery delay causing duplicate mail delivery

2012-10-31 Thread Fred Ho
Hi, Between 10:15:17 and 13:04:23 there's no 4803D7F20 related items like that of F097C7F1F. Oct 31 10:15:14 mailgate2 postfix/smtp[9660]: 2C9897F20: to=, relay=outbound10.ttasia.com[210.17.183.10]:25, delay=2.2, delays=0.05/0/0.05/2.1, dsn=2.6.0, status=sent (250 2.6.0 <1351649712087206...@s

Re: postfix delivery delay causing duplicate mail delivery

2012-10-31 Thread Ralf Hildebrandt
* Fred Ho : > Hi, > There's the SonicWall FW in between. What should I look for?I have the LAN > MTU = 1420 on the RedHat server matching that of the ISP router. I thought it might have something to do with "smtp protocol fixup", which is horrible broken on PIX/ASA firewalls. > > > Oct 31 10:15:

Re: postfix delivery delay causing duplicate mail delivery

2012-10-31 Thread Fred Ho
Hi, There's the SonicWall FW in between. What should I look for?I have the LAN MTU = 1420 on the RedHat server matching that of the ISP router. Regards,Fred​ On Wed, 10/31/2012 11:47 PM, Ralf Hildebrandt wrote: > * Fred Ho : > > Hi, > > > I am running Postfix version 2.5.6 on RedHat 4 and is e

Re: postfix delivery delay causing duplicate mail delivery

2012-10-31 Thread Ralf Hildebrandt
* Fred Ho : > 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 > duplica