On Sun, Jul 14, 2024 at 03:09:58PM +0000, Johan Parin via isync-devel wrote:
I have a setup at work where the company is using MS Exchange +
OAUTH2. I use DavMail to deal with OAUTH2 and then mbsync to connect to
DavMail. As MUA I use notmuch.
This was working OK for a while I think but then I started noticing
messages missing locally. [...]
there is nothing obviously wrong with your config, except that davmail
is known to be a total pita. even though exchange imap is also a PoS,
you still should have better luck with it if the server is configured to
allow it; how-tos regarding oauth2 can be found in the list archive (a
patch with a high-quality writeup and required scripts that can be
included upstream would be appreciated).
if you want to debug it (primarily for the purpose of making a good bug
report for davmail, i guess), add -D to mbsync's options and try to
catch it in the act of losing a mail.
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