If received date or physical size fetching fails because mail was expunged, mark the mail expunged instead of failing with unknown error.
If received date or physical size fetching fails because mail was expunged,
mark the mail expunged instead of failing with unknown error.

--HG--
branch : HEAD

dscho/dovecot,dscho/dovecot,dscho/dovecot,dscho/dovecot,dscho/dovecot