Hi.
On Thu, Nov 18, 2021 at 11:19:59AM +0300, Odhiambo Washington via Exim-users wrote:
> A particular e-mail is generating that error and I am thinking perhaps it's
> from a certain long header - "References:" in the thread.
> See https://pastebin.ubuntu.com/p/fK5wDzzxCW/
Yes, "References:" has 1018 octets while RFC limit is 998.
This is known bug for several Outlook versions.
> Not sure how to mitigate this one. Maybe I should truncate/remove the
> header - and possibly break the thread?
Better solution is to fold this header (split over multiple lines).
--
Eugene Berdnikov
