Re: [exim] TLS connection with Microsoft server stalls

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Author: Heiko Schlittermann
Date:  
To: exim-users
Subject: Re: [exim] TLS connection with Microsoft server stalls
Christian Eyrich via Exim-users <exim-users@???> (Fr 25 Sep 2020 11:26:09 CEST):
> Hi there,
>
> sadly I didn’t make progress with my GMX problem. But during my tests I came
> across another problem.
> I’ve sent mails from @outlook.de to my server but the TLS encrypted
> communication just stops at one point after some progress through EHLO, MAIL
> FROM, RCPT TO (exim -bd -d+all):
>
> 10:04:45 15402 SMTP>> 250 Accepted
> 10:04:45 15402 tls_write(0x558a49151ac0, 14)
> 10:04:45 15402 gnutls_record_send(SSL, 0x558a49151ac0, 14)
> 10:04:45 15402 outbytes=14
> 10:04:45 15402 DSN: orcpt: NULL flags: 0
> 10:04:45 15402 Calling gnutls_record_recv(0x558a4920e660, 0x558a494e9000,
> 4096)
>
> Then after 300 seconds the connection is closed.


Isn't that the "cork" issue that was fixed around
8f9adfd36222d4e9e730734e00dffe874073e5b4,
which is not part of 4.92. I do not remember the pre-conditions to
trigger this bug, I believe, it was related to pipelining, wasn't it?

--
Heiko