Violation maximum line length (RFC 2822) for forwared mails

[Ingo Klöcker]

On Mittwoch, 3. März 2021 21:50:53 CET Rainer Dorsch wrote:
> Hi,
> 
> I see from time to time that mail I want to forward as attachment get
> rejected by my exim mail server due to a violation of the maximum line
> length. This is specified as 998 characters in RFC 2822
> 
> https://tools.ietf.org/html/rfc2822#section-2.1.1
> 
> I observed that so far just if I try to forward mails as attachment. The
> original email which I forward seems to be compliant (I have here one with a
> maximum line length of 94 characters).
> 
> I observed this on kmail in Debian buster and in Debian bullseye, i.e.
> 18.08.3 and 20.08.3, respectively.

I can reproduce this with KMail 5.16.1 (openSUSE Tumbleweed). Apparently, 
KMail puts each header field of the forwarded message in one line even if this 
results in lines exceeding the limit.

> Is that a known kmail issue?

I guess that would be
https://bugs.kde.org/show_bug.cgi?id=409169
and
https://bugs.kde.org/show_bug.cgi?id=411141

Regards,
Ingo
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