{{Scenario Task
|Scenario Task Format=Solution
|Scenario Task Parent=I want to be certain of the recipient's identify (and vice versa)
|Scenario Task Type=Impersonation
|Scenario Task Description=You've come to the right place! (un)Fortunately, in order to learn how to cryptographically sign your message, you firsts need to read [[I want to learn about encrypting email]]. Using the same key pair, you can digitally sign your message to prove its authenticity and integrity to the recipient. For more information please start by reading the [https://equalit.ie/esecman/chapter2_4.html#digsign Digital Signatures] section of the Digital Security handbook and then a [https://securityinabox.org/en/guide/thunderbird/windows practical guide for your email client] from the Security in-a-box resource.
}}