But mailbox.org is also priced per mailbox by default. When I checked with Mailbox.org support a few years ago, there was no way to go beyond 25 aliases on a si

But mailbox.org is also priced per mailbox by default. When I checked with Mailbox.org support a few years ago, there was no way to go beyond 25 aliases on a single mailbox (even when one is willing to pay).