[exim-dev] [Bug 1684] Malformed headers which exceed length …

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Author: admin
Date:  
To: exim-dev
Subject: [exim-dev] [Bug 1684] Malformed headers which exceed length spec willingly passed to remote servers
https://bugs.exim.org/show_bug.cgi?id=1684

felipe@??? changed:

           What    |Removed                     |Added
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                 CC|                            |felipe@???


--- Comment #14 from felipe@??? ---
(copied from exim-users)

RFC 5322 doesn’t stipulate server behaviour upon receipt of a message that
violates this limitation.

On the contrary, the same section (2.1.1) that gives the 998-character limit
adds, in the next paragraph:

----
Receiving implementations would do well to handle an arbitrarily large number
of characters in a line for robustness sake.
----

While Exim’s new default behaviour is reasonable, it doesn’t seem to follow
from the relevant standard. Outlook is in violation, to be sure, but servers
that accept arbitrarily long lines don’t seem to be (by that virtue alone,
anyhow).

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