They got a lot of 'hate mail' [=extremely angry letters, e-mail, etc.] from people who disagree with their policies.
Have you 'mailed' (out) the invitations yet? [=('chiefly Brit') have you posted the invitations yet?]
She 'mailed' me a copy of her manuscript. = She 'mailed' a copy of her manuscript to me.
(..) -Freeze! Ready, set, now! Hannah! Hey, Hannah! -What? -Did I get my package in the mail? -I don't know. -What do you mean you don't know? I don't know! -Oh, no, Hannah! Look, Janie! -What? Hey! (..)1995 Toy Story