Now you can route your outbound emails through Addy.io and even generate new Addy.io aliases for that purpose without ever leaving Thunderbird.
Ads from Google are too scammy and too intrusive. I should have turned them off long ago. Now I have. If you appreciate that, please consider kicking in a few bucks to make up for the lost revenue.
You can send correspondence to Vanguard at P.O. Box 982901, El Paso, TX 79998-2901. Vanguard makes it hard on purpose to find this address.