# Thunderbird Configuration on Windows for Secure Mail [[Prev|thunderbird9]] | *step 10 of 17* | [[Next|thunderbird11]] ## Compose your first secure e-mail 1. Presumably you know of someone who already has a GPG key :) 1. Compose an e-mail to this person and click the *OpenPGP* button * (./) Sign Message * (./) Encrypt Message * (./) Use PGP/MIME (*should already be checked*) * click *OK* 1. Be sure to *CC:* or *Bcc:* yourself 1. Proceed to the [[Next|thunderbird11]] step [[!img tbird10.png align=left]]