Re: Dovecot marking outgonig emails as unread

Hard to say for sure what might be causing this and I'm the dev primarily responsible for the dovecot 2.4 upgrade on cPanel. If anything I'd say it's a strange enough scenario that we don't have automated testing for it.

If I had to guess, us forcing the maildirsize file to act more like it did on dovecot 2.3 is also forcing flag recalc somewhere it shouldn't be given you say this only started happening very recently. If getting your mail account switched over to mdbox (it uses count driver instead of maildir driver for quota) fixes it, then I'd be more confident in my guess, but since you don't have control of the server it's kind of a moot point (cPanel users don't have access to swap from maildir to mdbox).

I'll ask some of our tech support pool here if they've encountered anything like that with some of our other customers. If there's a bug that we can replicate, we'll try to fix it.

Cheers,
--
Thomas "Andy" Baugh | Software Development Engineer IV
[email protected]
http://www.webpros.com/

________________________________________
From: stef204 via dovecot <[email protected]>
Sent: Wednesday, February 18, 2026 8:00 AM
To: [email protected] <[email protected]>
Subject: Dovecot marking outgonig emails as unread


   Starting a few days ago, I have one email account where ALL outgoing

   emails are automatically marked as UNREAD.

   The message is sent, then copied to the "Sent" folder, and has status

   "unread".

   Then, a couple of minutes later, something happens where this message gets

   marked as UNREAD, without ANY interaction of client side.

   This occurs not matter the email client used, I have tried it with

   multiple email clients, both local and via web interface, the behavior

   does not change.



   This is via Dovevot on Cpanel.  if I look at the [1]changelog, it is

   difficult to identify which changes could have triggered this as there

   seem to be changes impacting Dovecot almost with every update.



   I do not control the server myself, this is on a shared hosting plan; tech

   support has been willing to troubleshoot but is unable to locate the

   problem.  This problem does NOT occur on other email accounts on the same

   domain, so it looks to me like some corruption or problem syncing flags

   perhaps?  I am at a loss at the moment to fix this behavior.



   Any suggestions or ideas welcome.



   Thanks.



References



   Visible links

   1. https://docs.cpanel.net/changelogs/132-change-log/

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