20040121 version: netqmail 1.05
20040121 code: qmail-smtpd is protected from exceedingly long (eg 2GB)
         header lines
20040121 code: qmail_lspawn, qmail-newmrh, qmail-newu, and qmail-rspawn
         are protected from misbehaving on hosts where the size of an
         integer is not the same as the size of a character pointer
         (eg 64 bit hosts with 32 bit ints)
20031027 version: netqmail 1.04.
20031027 doc: INSTALL points to http://lifewithqmail.org/lwq.html
20031027 doc: qmail.7 identifies installation as netqmail and points to
         http://qmail.org/
20031027 doc: qmail-queue.8 adds explanation of $QMAILQUEUE
20031027 doc: qmail-log.5 adds reference to errors from $QMAILQUEUE script
20031027 doc: FAQ also points to http://cr.yp.to/qmail/faq.html and
         http://qmail.org/
20031027 code: qmail-smtpd identifies itself as netqmail
20031027 code: if $QMAILQUEUE is set, it's invoked instead of qmail-queue
20031024 code: changed errno from int to #include.
20031024 code: fixed .qmail parsing bug.
20031024 code: recognize 0.0.0.0 as a local address.
20031024 code: sendmail's -f flag now overrides environment variables.
19980615 version: qmail 1.03.