Re: [exim] [Transport error]: message has lines too long for…

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Autor: Andrew C Aitchison
Data:  
Para: Marcin Gryszkalis
CC: exim-users
Asunto: Re: [exim] [Transport error]: message has lines too long for transport
On Thu, 27 Jan 2022, Marcin Gryszkalis via Exim-users wrote:

> On 18.11.2021 21:00, Jeremy Harris via Exim-users wrote:> On 18/11/2021
> 10:35, Andrea Biscuola via Exim-users wrote:
>>> is. From what I was able to understand, we should modify the
>>> remote_smtp and
>>> remote_smtp_forward_transport sections to solve the problem, with the
>>> message_linelength_limit
>>> parameter set to something like "4096".
>>
>> The smtp transport has a relevant option.
>
> I just hit the same problem as Andrea. So
>
> - I wonder why did you decide that the limit on incoming mails can still be
> defined in configuration, but for outgoing mails it must be forced in the
> code?
>
> - What do you think about implementing re-folding headers to make mail
> RFC-compliant again (ie. fix what outlook spolied)?


Unfortunately that can break DKIM signatures.

> - I guess that with the new check you could update RCF.conform
>
> https://github.com/Exim/exim/blob/a1108b5118d32e969c5fe91b2110944f7483a7cb/doc/doc-misc/RFC.conform#L53
>
> best regards
> --
> Marcin Gryszkalis, PGP 0xA5DBEEC7 http://fork.pl/gpg.txt
>
> --
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-- 
Andrew C. Aitchison                    Kendal, UK
             andrew@???