Maildrop delivery issue

Bernd Wurst <[email protected]> Thu, 9 Jul 2026 07:41:59 +0200
Newsgroups gmane.mail.imap.courier.general
Message-ID <[email protected]>
Hallo.

We experience errors when maildrop delivers mail to our mailboxes since 
a few days ago.

It's affecting multiple users, all using maildrop for delivery. All 
users not using maildrop are not affected. We upgraded to courier-2.0.2 
last week, so it's most likely correlating with this.

The result is that message files inside Maildir++ have the wrong size in 
their filename and so the whole maildir gets blocked by Dovecot IMAP Server.

# ls -l /home/user/maildir/cur/1783557589.[...]\,S\=217586\:2\,
-rw------- 1 user users 217633  9. Jul 02:39 
'/home/user/maildir/cur/1783557589.[...]\,S\=217586\:2\,'

Did you do any change on maildrop that could lead to this behaviour?

It's not happening with every message but about once or twice a day per 
user.



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