dovecot - Feb 2014 - Error - zlib & fts

Just upgraded to a new Solr, so I did a full re-index.  Saw some of 
these friendly messages:

doveadm(csmith at amfes.com): Error: 
zlib.read(/var/mail/amfes.com/csmith/mdbox/storage/m.20): gz trailer has 
wrong CRC value at 28579617
doveadm(csmith at amfes.com): Error: 
read(zlib(/var/mail/amfes.com/csmith/mdbox/storage/m.20)) failed: 
Invalid argument
doveadm(csmith at amfes.com): Error: 
read(zlib(/var/mail/amfes.com/csmith/mdbox/storage/m.20)) failed: 
Invalid argument (uid=5251)

-- 
Daniel