Apparantly, Bugzilla can cooperate with Postfix if you
1) Make sure that the mail templates in data/params don't have ^M but ordinary enters between each line. 2) Set sendmailnow to '1' in the same file, since Postfix sendmail compability don't understand the parameters sent otherwise.
Ahh.. One reason for bugzilla's checkconfig.pl script to fail with database error is that the MySQL installation can't create new directories in it's database directory because of incorrect permissions..
Hmm.. Near-death-experience with my palm after playing too much with coldsync and phpgroupware.
coldsync -mr .palm/backup was a good command, although I had to restore some settings.