Hi, I saw this BUG message in the logfile (only one time).
dovecot: IMAP(xxx): FETCH for mailbox INBOX UID 4572 failed to read message input: Input/output error dovecot: IMAP(xxx): Disconnected: BUG: Unknown internal error isp=xxx lip=xxx rip=xxx bytes=117/341182 No core file. v1.2.12 Maildir on NFS Debian 32Bit -- Neu: GMX De-Mail - Einfach wie E-Mail, sicher wie ein Brief! Jetzt De-Mail-Adresse reservieren: http://portal.gmx.net/de/go/demail