fix botch in clearenvelope

updates to make it possible to run the queue in one process; this
permits a database of host status to be built

lint

incorporate SMI changes -- still experimental

use SIGCHLD to catch processes as suggested by Serge Granik

facilities in syslog

increase MAXNAME and MAXLINE, as requested by Rick Adams, via
George Goble, via Kirk Smith, via Miriam Amos (why????)

Wander WIZ from weariful DEBUG to wonderful WIZ woption

From Bill Nowicki: fixes to the statistics

arrange for a useful error message if the mailer fork fails

fix overzealous removal of df file

lint for 4.3 release

Add copyright

plug another security hole with command line arguments

More changes from Bill Nowicki -- file closing and improved logging.

Changes from Bill Nowicki <sun!rose!nowicki> and Jay Lepreau <lepreau@utah-cs>:
Fix "bad file number" problem; improve error reporting; try to keep messages
closer to their original order. Also, dro

Changes from Bill Nowicki <sun!rose!nowicki> and Jay Lepreau <lepreau@utah-cs>:
Fix "bad file number" problem; improve error reporting; try to keep messages
closer to their original order. Also, drop "safe" mode in readcf since we
never run setuid when -C is specified.

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reenable signals in an event that may be called to run the queue; this
allows hung connections to time out properly during a queue run. This
fix provided by Bill Nowicki.

check syscall return values in a few questions; thanks go to Ian Darwin's
rudely public ragging on this one.

lock alias file while rebuilding if flock system call available

stop collecting message on ferror(InChannel); changes to compile even
if DEBUG isn't defined; avoid sending nonstandard 050 messages unless
requested; recover from trashed DBM files; use recipient re

stop collecting message on ferror(InChannel); changes to compile even
if DEBUG isn't defined; avoid sending nonstandard 050 messages unless
requested; recover from trashed DBM files; use recipient rewriting set
on user part after ruleset 0 completes

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Remove lib/libsys.a references - not used anymore.

don't assume that all apparently local senders have passwd entries

Change serverity of LOG_ERR to LOG_MAIL so syslog will place in
appropriate log file.

fix some bugs with -C flag; one with queuing from Teus

"and" file mode bits with 0777