001+ string(17) "bob, example, com"
002+ string(24) "bob, users, example, com"
003+ string(19) "<bob>, example, com"
001- string(16) "bob, example.com"
002- string(23) "bob, users, example.com"
003- bool(false)
006+ string(17) "bob, example, com"
006- bool(false)