failed: Cached message size larger than expected

[hazho]

Impacted versions

• OS Type: Debian/Ubuntu,
• OS Version: ubuntu 22+
• Database Type: PostgreSQL
• Database version: X.y
• Modoboa: 2.2.0
• installer used: Yes
• Webserver: Nginx

Steps to reproduce

deleting large number of mailboxes, caused the following error to be raised, but only when the user scroll down the inbox (the query parameters: ?action=listmailbox&mbox=INBOX&scroll=true&page=2):

Jun 2 20:01:15 mail dovecot: imap([email protected])<791373><gnlzAOwZKOR/AAAB>: Disconnected: FETCH failed: Mailbox INBOX: UID=13: read(/srv/vmail/maildomain.com/user4/Maildir/cur/1708450224.M924417P472542.mail.maildomain.com,S=1749,W=1787:2,) failed: Cached message size larger than expected (1749 > 1744, box=INBOX, UID=13) (read reason=) in=816 out=28076 deleted=0 expunged=0 trashed=0 hdr_count=40 hdr_bytes=7926 body_count=0 body_bytes=0

Expected behavior

simply load the mailbox inboxes

Video/Screenshot link (optional)

getting the following

[tonioo]

@hazho Have you enabled anything special in dovecot configuration? Or have you migrated from another system?

[hazho]

Not that I am aware of

@hazho Have you enabled anything special in dovecot configuration? Or have you migrated from another system?

[tonioo]

Ok. It could be useful to understand how it happened but in the meantime, you can try to remove the corresponding cache file. (like explained here: https://www.plesk.com/kb/support/empty-inbox-is-shown-in-webmail-on-a-plesk-server-cached-message-size-larger-than-expected/)