[exim] Virtual domains

Hi All,

    Please send me configuration examples for virtal domains. My Exim 
version is 4.5.

I'd like similar this:

info@??? -> mailmysite1info (local user)
help@??? -> mailmysite1help (local user)
info@??? -> mailmysite2info (local user)
help@??? -> mailmysite2help (local user)
bob@??? -> mailmysite2bob (local user)

etc...

Thx: Beci