i don't think you can, and you shouldn't try because they might keep it
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You cant. you can only send to pokemon white
Anime
to send air mail(or any other type of mail in any game) you have to give the mail to a Pokemon and trade the Pokemon to somebody else so they get to read it.
the poketech company is in jubilife
you need to send over from another pokemon game using the scientists machine after you defeat the pokemon league.