Add copyright

Change LOG_ERR to LOG_MAIL

fix typo

changes from Tom Ferrin <ucsfcgl!tef>: don't drop messages on the floor
if no local mailer available; give real "errno" message in syserr.

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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Cut down the amount of bulk that is sent in SMTP error messages, by
trying to log only real errors in the transcript. -v mode is unchanged.

4.2 release version

improve error recovery for bizarre SMTP cases; unfortunately CMU has
decided to start working again, so the strangest parts are untested.

tag syserr's specially in the log so they can be grep'ed out easily

Clear the envelope in the child in server SMTP to insure that our oh so
helpful parent doesn't delete our transcript; move the transcript and
temporary file pointers into the envelope; pass the envel

Clear the envelope in the child in server SMTP to insure that our oh so
helpful parent doesn't delete our transcript; move the transcript and
temporary file pointers into the envelope; pass the envelope to other
routines in the holy war against global variables; split off envelope
routines from main.c to envelope.c

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implement SMTP auto-shutdown on 421 codes; clean up some error processing
items, particularly in SMTP; don't reinstantiate error message bodies after
queueing; other minor changes. This is all clean

implement SMTP auto-shutdown on 421 codes; clean up some error processing
items, particularly in SMTP; don't reinstantiate error message bodies after
queueing; other minor changes. This is all cleanup from 3.253.

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Many changes resulting from a complete code readthrough. Most of these
fix minor bugs or change the internal structure for clarity, etc. There
should be almost no externally visible changes (other

Many changes resulting from a complete code readthrough. Most of these
fix minor bugs or change the internal structure for clarity, etc. There
should be almost no externally visible changes (other than some cleaner
error message printouts and the like).

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lint it

run SMTP jobs in a subprocess so that multiple jobs will work. This
delta also changes the envelope data structure so that flags are in
a bit map, and adjusts some of the semantics. The transcript

run SMTP jobs in a subprocess so that multiple jobs will work. This
delta also changes the envelope data structure so that flags are in
a bit map, and adjusts some of the semantics. The transcript is now
local to an envelope. A bunch of old code is deleted. A serious bug
was fixed in the "run in background" code. Etc., etc.

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split operation mode ("-bx" flag) and delivery mode ("d" option)
so that operation mode can apply to SMTP/daemon connections also.

avoid printing out extra messages when the transcript is not instantiated

make all mailer output go to the transcript if running server smtp; this
has the effect of making some significant changes in the output structure
to handle such things as -em and -as together

add nmessage (to not add "to..." tag); improve handling of error
status setting

give 554 message on syserr (instead of 451) if errno == 0; as it
was some permanent errors appeared transient

assign a unique id to each transaction that can be determined from
the queue file name.

make VRFY and EXPN work more correctly (VRFY still gives an OK even
if the target is a list); this adds the QuickAbort option

change debug level to a debug vector; add levels on logging (and the
-L flag); change logging to be by message-id; elevate message-id;
some lint-type cleanup

arrange to print errno properly in syserr's

clean up error handling

add debugging information to server smtp code: _debug to set
Debug, _verbose to set verbose, and _showq to show the send queue
(already existant, just a name change)