Error: modseq_hdr.log_offset too large Centos 7

2018-01-02 01:40:59 imap([email protected]): Fatal: master: service(imap): child 18780 killed with signal 6 (core dumps disabled)

2018-01-02 01:40:59 imap([email protected]): Error: /var/vmail/saic.it/info/Maildir/dovecot.index: modseq_hdr.log_offset too large

2018-01-02 01:40:59 imap([email protected]): Error: /var/vmail/saic.it/info/Maildir/dovecot.index: modseq_hdr.log_offset too large

2018-01-02 01:40:59 imap([email protected]): Panic: file mail-transaction-log-file.c: line 1148 (mail_transaction_log_file_get_highest_modseq_at): assertion fa

iled: (offset <= file->sync_offset)

HOW TO SOLVE

find /var/vmail/saic.it/info/Maildir/ -name "dovecot*" -delete

 

Restart Postfix & Dovecot (to rebuild the dovecot files):

$ service dovecot restart
$ service postfix restart

I think the cause is the presence of a virus in some emails attachment.

thanks to this link

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