totally implement rfc974 in getmxrr(), just return a list of hosts

add Name Server MX support from satz@su-sierra.arpa, fix macro usage

Name Server MX support from Satz@su-sierra

try multiple addresses in SMTP connect

try multiple addresses in SMTP connect

cleanup for 4.3bsd

Fix problem with not closing sockets upon errors when opening connections

Fix problem with not closing sockets upon errors when opening connections

no bugs

statistics structure moved to its own header file so it may be used by
aux/mailstats

Pull statistics structure into its own header file

don't ignore aliasing during queue runs in conjunction with -bd

don't ignore aliasing during queue runs in conjunction with -bd

don't ignore aliasing during queue runs in conjunction with -bd

don't run around clearing EF_FATALERRS -- this often applies to another
address. Drop uid/gid check in sameaddr -- it causes more problems
than it fixes.

don't run around clearing EF_FATALERRS -- this often applies to another
address. Drop uid/gid check in sameaddr -- it causes more problems
than it fixes.

don't run around clearing EF_FATALERRS -- this often applies to another
address. Drop uid/gid check in sameaddr -- it causes more problems
than it fixes.

don't run around clearing EF_FATALERRS -- this often applies to another
address. Drop uid/gid check in sameaddr -- it causes more problems
than it fixes.

improve debugging in queue routines; don't output error addresses that
are duplicates or otherwise marked as "don't send"

improve debugging in queue routines; don't output error addresses that
are duplicates or otherwise marked as "don't send"

do dbminit in a reasonable place

do dbminit in a reasonable place

always ignore SIGCHLD in openmailer; get SccsId correct in alias.c

always ignore SIGCHLD in openmailer; get SccsId correct in alias.c

always ignore SIGCHLD in openmailer; get SccsId correct in alias.c