Re: [exim] Some Emails to gmail now hang

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Author: Bill Cole
Date:  
To: Jeremy Harris via Exim-users
Subject: Re: [exim] Some Emails to gmail now hang
On 2022-08-09 at 20:20:36 UTC-0400 (Wed, 10 Aug 2022 01:20:36 +0100)
Jeremy Harris via Exim-users <jgh@???>
is rumored to have said:

> Tricky to guess at. Turn off more features, I guess.
> You already tried chunking. Next would be fastopen, then pipelining.
>
> However, given it was right after all the data (even in non-chunking)
> one has to wonder if it's a content-check of theirs going wrong.


This sounds a lot like the problem of some 'transparent' middleboxes
that try to filter SMTP but get confused when <crlf>.<crlf> gets split
between packets.


--
Bill Cole
bill@??? or billcole@???
(AKA @grumpybozo and many *@billmail.scconsult.com addresses)
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