[liuw]

Can you reply from the aliases? If you're using a service provider, can you share which one you use?

[techsupporter]

I use Fastmail and, yes, you can reply from the aliases, including anything-you-want catch-alls. Unlike the grandparent, I use a subdomain because setting [e-mail] as a catch-all seems to invite staggering amount of spam.

I set [e-mail] as a catch-all and then have a rule that, unless otherwise categorized elsewhere, anything sent to [e-mail] is automatically filed into a "Catch-All" folder.

With Fastmail, I can set a reply address that matches any of my aliases and * (star) works as expected, it matches anything, so I can just create a sending identity in Thunderbird as, say, [e-mail] without having to go into Fastmail's control panel and do anything else.

[Torgo]

I do this on my home email server via Thunderbird. There is a plugin here: https://www.absorb.it/virtual-id that lets you put in an arbitrary from address (as long as your server will accept it.)

[garaetjjte]

There is no plugin required, you can do that now in Thunderbird without any modifications.