do validity checking on NIS map creation

add NIS map type; log message-id in same line as from logging

allow I option to arbitrarily set and clear resolver options

when searching the name server, when there is at least one dot,
search the unmodified name first (this is so foo.cs will get the
Czechoslovakian foo, for example)

log host name on reply: read error message

fix bug in including (and forwarding) files; all lines looked
like comments

fix auto-quoting screwup

update for R6

clearly mark the version number as an alpha

more recent update -- but I know I have more on my mental list --
somewhere

tweak some of the configurations to up some values

tweak some of the configurations to up some values

add -p flag

restore # as comment symbol in .forward/:include:; extend -p flag;
remove = option (use V instead)

sendmail -p sets protocol

J option sets "search path" for .forward

dynamically allocate header fields (and more....); miscellaneous
cleanup (mostly comments)

print message on too long header line

dynamically allocate header buffer

try to allow host on local mailers (for some reason)

correct list of must-be-quoted characters

don't auto-initialize host map if user has already done it

reverse sense of -f in K field

make years in $t be four digits; do case folding for DBM databases
in map.c if MF_MAPCASE set

make it use varargs/stdarg and vsprintf