Curtis Vaughan via Postfix-users:
> We've been postfix pretty much forever, but suddenly a new problem has
> arisen, for which I haven't been able to find a solution. The postfix
> server is located in the USA. A lot of mail goes to Russian addresses
> and it is to those addresses that the issue is arising. The biggest
> problem is to a mail server at 83.222.5.141, which may actually be in
> Uzbekistan, although it is for a Russian company.
>
> Here's the error, which started about a week ago. This is for outgoing
> mail, btw.
>
> status=deferred (conversation with satcomdv.ru[83.222.5.141] timed out
> while receiving the initial server greeting)
According to source code and documentation, the Postfix SMTP server
times out while waiting for the "220" server greeeting.
For me, there is a 20-second delay before the server greets with:
220-msk5.h2hosting.ru ESMTP Exim 4.98.2 #2 Tue, 15 Jul 2025 20:07:12 +0300
220-We do not authorize the use of this system to transport unsolicited,
220 and/or bulk e-mail.
After that, I see no delays responding to EHLO or MAIL FROM.
What delays=x/x/x/x does Postfix log with the status=deferred?
Wietse
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