Hi all, I see the next error at dovecot.log: dovecot: Sep 06 17:57:27 Error: IMAP(jordi.espasa at opengea.org): Corrupted index file /var/vmail/opengea.org/jordi.espasa/.Dov ecot/dovecot.index: Duplicate header extension keywords ¿Why this error is producted? -- Thanks, Jordi Espasa Clofent