Several email lists are maintained for use by the troop. These include

 

t159members	Troop Membership: Scouts, Adult Leaders, Parents
t159fossils	Adult Leaders
t159plc	Patrol Leaders Council
t159ha	High Adventure
t159oa	Order of the Arrow

Distribution services for these lists are provided by "freelists.org".

Yahoo and Google both provide free mailing list services that they call "groups".