Add copyright

Assorted changes from Guy Harris <rlgvax!guy>: mostly lint & USG

clean up error handling in general; make sure that something gets logged
in the transcript if the connection cannot be established; clean up Teus
Hagen's mod to arpadate.c to match the sendmail codin

clean up error handling in general; make sure that something gets logged
in the transcript if the connection cannot be established; clean up Teus
Hagen's mod to arpadate.c to match the sendmail coding style.

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mods for european dates (from mcvax!teus)

4.2 release version

Delete "load limiting" for SMTP connections (a bad ethernet board can
hang up all incoming mail); use sfgets in collect (same reason); check
for I/O error in collect (from Bill Nowicki); switch date

Delete "load limiting" for SMTP connections (a bad ethernet board can
hang up all incoming mail); use sfgets in collect (same reason); check
for I/O error in collect (from Bill Nowicki); switch date format to
RFC822 style.

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fix date format to be truly RFC822

move configuration to conf.h

cleanup so it will go through lint without any fancy grep -v's;
change the way SCCS Id's are handled.

insert SMTP "Mail-From:" line.

changes to work under a V6 system -- mostly compilation flags

break some configuration into conf.h -- simplifies makefile changes
on different machines. But there are still conditional libraries, so
this may not be a good idea.....

cleanup, commenting, linting, etc.

change format to fit Kurt's standard

make more readable dates

general cleanup, esp. macro processor

----- delivermail ==> postbox -----

install fancy header stuff

release 2

clean up type botches

cleaned up comments

add ID keywords