To get daily senior jokes via email, go to AJokeADay.com, where a pop-up window prompts you to sign up for the senior joke email. Alternatively, go to GreatCleanJokes.com to enter your address in the text box near the top of the page, then click Subscribe.
If you close out of the pop-up window at A Joke A Day, mouse over jokes on the right-hand side of the menu bar and click on Joke of the Day Email. On that page, enter your email address and click Subscribe to receive your daily email.
Both websites offer mailing lists in addition to jokes on the site. A Joke A Day also offers cash prizes to users who submit their own jokes to the site.