![](/static/253f0d9b/assets/icons/icon-96x96.png)
![](https://lemmy.ml/pictrs/image/2QNz7bkA1V.png)
This is built into Thunderbird for a while now.
https://i.imgur.com/065RFJJ.png
- Go to
Account Settings
- Enable
Reply from this identity when delivery headers match
- Enter your domain prefixed by a wildcard (
*
), for example*@yourdomain.com
- Close/confirm all your changes
- Open an email that was sent to one of your catch-all addresses and click the reply button.
- The FROM field should be the catch-all address and not your general address.
See my other reply, you can automate this with a setting so you don’t have to edit it manually every time.