Ability to Export Email Aliases as CSV

A pain point of using Mailbox.org with Thunderbird is that email aliases do not get picked up by Thunderbird Client automatically when setting it up with any Mailbox (or any provider really, this isnt limited to mailbox). This means that when you want to compose a new email, you wont get any hints on what your email aliases were in the dropdown unless you add them to the identity list in Thunderbird first.

It would be great if there was a way to export all the email aliases so that we can:

- Import them into Thunderbird in one go with a script

- Have them as a reference to remember which alias to use when (for example shopping alias, activities alias etc)

The export functionality would export all the aliases including custom aliases as a CSV and/or other formats.