I've applied the following patches to the original qmail-1.03-sources, all taken from a mirror of www.qmail.org: netscape-progress.patch Author: Scott Moorhouse lets netscape's download indicator indicate. nullenvsender-recipcount.patch Author: Mark Delaney With this patch, qmail-smtpd is modified to refuse messages from the null envelope sender if they have more than one envelope recipient. qmail-1.03-mfcheck.3.patch Author: Nagy Balazs envelope sender domain must exist. qmail-1.03-moreipme.patch Author: Scott Gifford solves the problem seen when a host has more IP addresses than it knows about. qmail-canonical.rcpt.patch Author: James Raftery canonicalized hostname in the logfile qmail-date-localtime.patch Author: James Raftery generate date stamps in the local timezone. qmail-smtpd.c.diff Author: Will Harris make qmail fully RFC 1870 compliant, i.e. to support the ESMTP SIZE command.