On Thu, 7 Apr 2022, tt-admin via Exim-users wrote:
Ah. If it is a mail gateway, the question might be whether their gateway
starts to send the message on to their mail server (cut-through delivery)
or not.
Does the Symantec Messaging Gateway advertise PIPELINING and do you use it
?
Yes, the remote gateway does advertise pipelining. As far is i remember,
exim does youse pipelining as a default when sending e-mails. I need to ask
if they forward their mail internally.
You can disable pipelining when sending to specific hosts, with
hosts_avoid_pipelining
-----Ursprüngliche Nachricht-----
Von: Exim-users [mailto:[email protected]]
Im Auftrag von Evgeniy Berdnikov via Exim-users
Gesendet: Mittwoch, 30. März 2022 19:56
... ...
The question is why server has dropped connection. Probably this
connection was timed out -- on the server's side, not on the client's one.
Traffic dump from both ends could make this situation clean.
I think that this is the next step ...
"pcap" is the string to search documentation for.
--
Andrew C. Aitchison Kendal, UK
[email protected]
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