On Fri, 2011-03-18 at 16:14 +0100, Vincent Artzner wrote: > 2011-03-18 14:43:15 IMAP(info): Error: Maildir filename has wrong W value: > /home/info/Maildir/.Envois/cur/1300450349.M120256P3108.Serveurlinux,S=460764,W=460768:2,S .. > The incoming mails are provided to dovecot by procmail, so I think dovecot > is responsible for settings the S, W params in the filenames.
Dovecot never changes the base filename (anything before ':'). So if a wrong W value is added by procmail, you either need to fix procmail to set it correctly or to not set it at all.