Hi,
After many years of hassle free use from our email system we are now getting
a rather odd disconnect as shown below.
May 3 16:07:36 spambox nss_wins[14039]: connect from
sender.remote.com[1.2.3.4]
May 3 16:07:38 spambox postgrey[2865]: action=pass, reason=client AWL,
client_name=remote.remo
Thanks for your thoughts i will follow that article and see what i get back.
In regard to the 14039, no only the 4 entries (pertaining to that
transaction)
I do finally have a log file from one of sending mail servers though.
20:08:45.214 RX: <220 spambox.co.nz ESMTP Postfix>
20:08:45.214 TX:
20
Thanks for your advice Viktor
I have done a capture and loaded into WireShark.
1,"0.00","1.2.3.4","192.168.1.239","TCP","66","19524 > smtp [SYN] Seq=0
Win=8192 Len=0 MSS=1380 WS=256 SACK_PERM=1"
2,"0.22","192.168.1.239","1.2.3.4","TCP","66","smtp > 19524 [SYN, ACK]
Seq=0 Ack=1 Win=5840 Le
Thanks both for the info. I have attached a log file showing the tcp
information.
It starts to go wrong around Frame 24660:
I did disable window scaling on Postfix and for a while i thought it had
solved the issue but then more of the same as you can see in the log.
(hopefully showing the correct
