change tagging of errors that need errno attached

fix MX signature to always have trailing dot so compares work right

change "received from" logging on internal error response

setproctitle on getcanonname

always return message header, even if NoReturn set

fix SysExMsg printing; setproctitle on getmxrr

allow push/pop setproctitle

delete trailing newline from aliases when option n set to avoid
bogus output from EXPN command

log the correct IP address in relay= field even if the connection
doesn't complete

allow local mailer to specify $@host; don't add e_fromdomain on
sender addresses (conflicts with owner- code); include numeric IP address
in Received: lines per 1123; use transienterror in more place

allow local mailer to specify $@host; don't add e_fromdomain on
sender addresses (conflicts with owner- code); include numeric IP address
in Received: lines per 1123; use transienterror in more places; don't have
usrerr autoprint errno; undo patch allowing prescan to return null argv; etc.

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count recipients and estimate size of return messages

undo RESPONSE hack -- is it worthwhile?

undo patch allowing prescan to return null vector; it breaks far
too much

use transienterror() all places where we do this sort of mapping

clean up from= logging on internally generated responses

declare transienterror()

don't automatically print errno in usrerr -- it can be too misleading

always let root print queue; look at group set if available

minor bug in analyzing stat return status

improve logging to reduce redundancy

log numeric IP addr in Received: lines per 1123 section 5.2.8

allow host on local addresses; don't do domain extension on
return path, ever -- for <> addresses

print query class in debugging output

avoid loops on nameserver NO_DATA errors; getsockname can return
zero length names on SunOS

fix daemon startup log message