How to build a string as a distribution list for sending group mail ? I discover the RFC822 only have result example as follow:A.1.5. Address Lists Gourmets: Pompous Person , Childs@WGBH.Boston, Galloping Gourmet@ ANT.Down-Under (Australian National Television), Cheapie@Discount-Liquors;, Cruisers: Port@Portugal, Jones@SEA;, Another@Somewhere.SomeOrg This group list example points out the use of comments and the mixing of addresses and groups. the sample include the group list name, How do I send mail by distribution list ? And don't display any recipient name just only display distribution list name in TO field. Or "disunclose   More>>

			

			Gourmets:  Pompous Person
			,
			

			Childs@WGBH.Boston, Galloping Gourmet@
			

			ANT.Down-Under (Australian National Television),
			

			Cheapie@Discount-Liquors;,
			

			Cruisers:  Port@Portugal, Jones@SEA;,
			

			Another@Somewhere.SomeOrg
			

			

			This group list example points out the use of comments and the
			

			mixing of addresses and groups.