True Domain pointers, including e-mail addresses is somewhat harder to do than simple domain web redirection. I beleive it is possible, but I am not sure you can do it well without a dedicated ip. Your howt would also have to play a lot with the mailserver configuration, and usually they don't want / know to do it.
I don't beleive we can do that ourselves either. The "patch" i can see for this is making the same e-mails on the 2 domains, and redirect all the e-mails on the "master" domain.
Of course, it wouldn't be _true_ pointer and would require a bit more work from your part, but it is the easiest way to do it.
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