Wow. This is awesome! I wish there was an easy way to do this in Mail.app. While Mailbox.org allows it, my mail client of choice Apple’s Mail needs that <new us

Wow. This is awesome! I wish there was an easy way to do this in Mail.app. While Mailbox.org allows it, my mail client of choice Apple’s Mail needs that <new user name>@tld to be added in Settings.