[Dovecot] 2.1: Error: Maildir filename has wrong S value, renamed the file from

[Timo Sirainen]

On 25.3.2013, at 16.22, Gordon Grubert <gordon.grubert+lists at uni-greifswald.de> wrote:

> Mar 25 15:08:46 mailserver2 dovecot: imap-login: Login: user=<USER>, method=PLAIN, rip=IP, lip=IP, mpid=28663, TLS, session=<In7mV8DYFQCNNQQ4>
> Mar 25 15:08:46 mailserver2 dovecot: imap(USER): Error: Cached message size smaller than expected (2252 < 4821)
> Mar 25 15:08:46 mailserver2 dovecot: imap(USER): Error: Maildir filename has wrong S value, renamed the file from /var/vmail/uni-greifswald.de/USER/Maildir/cur/1169635911.30322.scooby,S=2252:2,RS to /var/vmail/uni-greifswald.de/USER/Maildir/cur/1169635911.30322.scooby,S=2252:2,RS
..
> The same problem was reported by Ralf Hildebrandt one year ago. The bug
> should be fixed with revision 3599790da3d7 but it seems to be there
> again.

The Dovecot bug was fixed, but the real reason for this is that the S=values are wrong in your maildir. You can either run the fixing script or set maildir_broken_filename_sizes=yes.

> Input/output errors of the file system are improbable because all
> files are accessible and can be read with cat and less.

That's just Dovecot's internal way of passing a failure to other parts of the code.