do sender logging as early as possible

clean up several small problems with file delivery, error detection,
and return receipts

change PF_NOBODYPART to be more descriptive of what the flag
actually does

remove Content-Type: header from returned messages if and only if
no body is to be returned -- this could confuse mail readers

translate newlines to space in logged message-id to avoid
syslog truncations

allow per-mailer default character set (applies to INCOMING mailer)

create proper headers on MIME mail (not just MIME-Version:)

tweak EightBitMode and F=8 options to do something useful

avoid null pointer dereferences in some degenerate cases

multiple queue timeouts

add H_CTE for content-transfer-encoding; don't output it when you
are going to be doing 8to7 bit MIME translation, which will add one

MIME 8 to 7 bit support

break out special local mail processing (e.g., mapping to the
"prog" mailer) onto separate mailer flags

give return-receipt on delivery to mailing lists (instead of to the
members of that list) and suppress Return-Receipt-To: in subsequent
deliveries to avoid denial of service attacks and generally imp

give return-receipt on delivery to mailing lists (instead of to the
members of that list) and suppress Return-Receipt-To: in subsequent
deliveries to avoid denial of service attacks and generally improve
the semantics

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updates for Intergraph CLIX

efficiency hacks

avoid wrapping header lines too eagerly

better patch of MAYBENEXTRELEASE problem

fix a bug in MAYBENEXTRELEASE code -- it's not really fixed though

wrap headers and lines more intelligently (important for very
short line lengths

allow $s to be set to NULL for locally generated mail

restore -ba mode for UK Grey book

move 7BIT information from per-mailer to per-connection so it can
be tweaked based on the other end

patch to protocol logging for short syslog buffer sizes

some cleanup for short syslog buffers