newinclude reads a
list, and converts it into a binary format in
list.bin for use by
newinclude first writes the mailing list to
list.tmp, and then moves it to
list.bin. If there is any problem creating
newinclude always creates
COMPATIBILITY WARNING: sendmail
list.bin. sendmails strategy is a disaster if you save
list to disk at the same moment that
the list will be truncated at a random spot,
perhaps in the middle of an address.
Furthermore, if the system crashes while you are writing
list could be filled with all sorts of garbage.