On Mon, 2010-09-06 at 11:56 +0200, Andre wrote: > > 20100906 11:34:32 imap(username at domain.com): Panic: file > istream-zlib.c: line 173 (i_stream_zlib_read): assertion failed: > (zstream->high_pos == 0) Hmm. See if they go away with http://hg.dovecot.org/dovecot-2.0/rev/0d5f21aeda68