1. Log into the ALL NEW RMail Web.
2. Click on the *gear icon on the upper-right area of the compose page to access the RMail Web Settings.
3. On the RMail Web Settings page, under the "Feature & Default Settings" section find and use the pull down tab to the right of "Encrypt - select primary receiving experience" and select "Enabled & Pre-selected".
4. Scroll down to the bottom of the RMail Web Settings page and click "SAVE".
After going about the steps above, your composed RMail Web email form will now have "Encrypt" pre-selected.