>For what do you use such a id tag? For divide into mail folders? Use the >header field Sender. It contains "owner-freemware@...". I already do. There may be people that doesn't, and doesn't have a clue about where all those mysterious mails originate from. And, yes, when it exists, it's a nice and quick way to see what the mail is about, without digging in the headers. I didn't say it was necessary, though. /Martin
