How to Whitelist Using...

Yahoo! Mail:

Open your Yahoo! mailbox.
Click Mail Options.
Click Filters.
Click Add Filter.
In the top row, labeled 'From header:' make sure Contains is selected in the pull-down menu.
Click in the text box next to that pull-down menu, then enter the address: listserver@stagesource.org
At the bottom, where it says "Move the Message To:" select Inbox from the pull-down menu.
Click the Add Filter button again.

If StageSource E-Newsletters has been filtered to your "bulk" folder, simply open the message and click on the "This is not Spam" link next to the "From" field.