Tip of the day: How to make Send Bookmarks via Email remember the email address?

This is supported by the browsers. Make sure Autofill is enabled in your browser. If it is enabled then next time when you want to send bookmarks to the same recipient just start typing the email address, the browser will autocomplete it, you don't need to enter the full email address again.

Most of the browsers have this setting turned on by default. If not, please check this link to find out how to enable Autofill in the different browsers.