IMPORTANT NOTE FOR ADMINS UPGRADING FROM 1.X->2.X!!!

	*) Don't forget to update the database using a script from
	   %%DATADIR%%/
	*) Many programs have been renamed and their arguments changed.
	*) Read the upgrading notes.
	*) Don't be careless with this upgrade or mail will be lost!
	*) dbmail can be controled by setting dbmail_imapd_enable,
	   dbmail_lmtpd_enable, and/or dbmail_pop3d_enable in
	   /etc/rc.conf.