### Rely on DNS only for limited domain.
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###  Ruleset 96 -- bottom half of ruleset 3  ###
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#  At this point, everything should be in a "local_part<@domain>extra" format.
S96

# handle special cases for local names
R$* < @ localhost > $*		$: $1 < @ $j . > $2		no domain at all
R$* < @ localhost . $m > $*	$: $1 < @ $j . > $2		local domain
R$* < @ [ $+ ] > $*		$: $1 < @@ [ $2 ] > $3		mark [a.b.c.d]
R$* < @@ $=w > $*		$: $1 < @ $j . > $3		self-literal
R$* < @@ $+ > $*		$@ $1 < @ $2 > $3		canon IP addr

# pass to name server to make hostname canonical
R$* < @ $* $=D > $*		$: $1 < @ $[ $2 $3 $] > $4

# local host aliases and pseudo-domains are always canonical
R$* < @ $=w > $*		$: $1 < @ $2 . > $3
R$* < @ $=V > $*		$: $1 < @ $2 . > $3
R$* < @ $* $=P > $*		$: $1 < @ $2 $3 . > $4
R$* < @ $* . . > $*		$1 < @ $2 . > $3

# if this is the local hostname, make sure we treat is as canonical
R$* < @ $j > $*			$: $1 < @ $j . > $2