[Dovecot] Empty messages in 1.0RC2

[Renaud Allard]

Hello,

I am running 1.0RC2 (upgrade from a beta, so I haven't tested RC1
unfortunately). I sometimes get empty messages in my inbox folder. Mails
are stored using Maildir. Here is an output of a ls -la ~/Maildir/cur

-rw-------   1 n  users     0 Jul 18 09:31
_CFC+Y5IvEB.gandalf.llorien.org:2,
-rw-------   1 n  users     0 Jul 18 09:28
_bEG+A2IvEB.gandalf.llorien.org:2,
-rw-------   1 n  users     0 Jul 18 09:54
_ezF+eOJvEB.gandalf.llorien.org:2,
-rw-------   1 n  users  2246 Jul 18 08:10 msg.f23:2,RSa

There is one real message (the last one). All messages seems to have
strange file names names, even the real one. Messages delivered by the
MTA generally have a name like
1152736772.H956194P17632.mail.llorien.org:2,RS

There is nothing in the SMTP server logs that could suggest these empty
mails are delivered with SMTP and only dovecot version has changed. So I
guess this is dovecot related. My IMAP client is thunderbird on Linux,
but I have also seen the problem with sylpheed on OpenBSD.

Any help or hint appreciated.

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