I've set up a few email aliases in iCloud under pseudonyms. If I receive an email to one of them (e.g. "Alias Name <firstname.lastname@example.org>), and I try to reply in Mail for Mac, it uses the ...
Is it possible to use an iCloud email alias as the Caller ID for iMessage? When I try to enter an alias on "Receive At > Add Another Email..." I always get an error popup titled "iMessage Activation" ...