After you specify an email address to be Bcc’ed, this extension will automatically add that address to the Bcc box every time you compose (or forward, or reply to) an email in Gmail
This auto-Bcc extension provides a Bcc Me dropdown menu that appears at the top of the Gmail
This extension can be used in combination with Email to Salesforce, or Highrise’s dropbox addresses.
NOTE: This extension has not yet been updated to work with Gmail’s new compose windows (introduced in October): http://goo.gl/RKGnK