>>"Mail" can be a verb. Presumably e-mail can be too.
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>Ok, but how does it answer my question? I would assume that "e-mail to" is a verb and we apply the action to all participants. The phrase "E-mail all participants" should assume the same.
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>So, the quesiton is - does the word Mail or E-mail require a to proposition or not. In other words, we want to e-mail to every person who is a participant. How exactly do we need to form this phrase?
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>Thanks again.

For the grammar mavens out there...................

Is "to" in this case a preposition or a participle?????