The "from" address is what someone sees in the "from" address when you send them an email.

To change your "from" address:

1. In the upper-right of WebMail, click Preferences.
2. Click General Preferences (see Figure 1).
   
   Figure 1.
   
3. Scroll down to the Composing Options heading.
4. In the From Address box, enter your name and BC email address, then click Update (see Figure 2).
   
   Figure 2.