Email addresses at virtual domains

Hi,
        A not for profit group that I'm involved with is debating whether to
set it web presence to a server or a virtual domain.
        One of the arguements for having our own hardware is that a number of
the addresses (info@, webmaster@, etc.) can't be used easily on a virtual
domain.
        I this being discussed on the list, but I've not been able to find in
the archives.
        Does anyone out there have a suggestion as to what I should grep for?

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Matthew Saroff
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