# Thunderbird Configuration on Windows for Secure Mail [[Prev|thunderbird14]] | *step 15 of 17* | [[Next|thunderbird16]] ## Admire your first secure e-mail message 1. Note that your freshly sent e-mail has some important icons: * The sealed envelope tells you the e-mail has been signed * The padlock tells you the e-mail is encrypted 1. Proceed to the [[Next|thunderbird16]] step [[!img tbird15.png align=left]]