You must designate email@example.com a safe sender and not Spam.
Steps for a new member:
Go to http://www.yahoo.com
Click on "My Mail" button in the upper left hand corner of the screen.
You may need to sign in by entering Yahoo ID and password.
Enter "Contacts" folder on the left side of your screen.
Add Contact firstname.lastname@example.org in the email section.
Click save in the upper right hand corner.
Steps for an existing member:
Check "Spam" folder on the left hand side of your screen for emails sent from email@example.com.
If you find one, open it, click "not spam" button at the top, and click "+Add" icon to the right of firstname.lastname@example.org to "Add Sender to Contacts".
If you do not find one follow "Steps for a new member" above.
Steps to retrieve an E-mail reported as Spam with AOL software:
Once an email is removied from the Spam folder, the AOL software will look for similar mail and make sure to place them in the New Mail folder instead.
Go to AOL Keyword: Spam Folder
Select the email you want to retrieve, then click the "This is not spam" button.
Steps to retrieve an E-mail reported as Spam with AOL Mail on web:
Go to http://webmail.aol.com
Enter your screen name and password, then click the "Sign On" button.
Click the "Spam" link.
Click the box next to the email you wish to retrieve to place a check mark in it.
Click the "This is not spam" button.
Non-Yahoo and Non-AOL users please contact your email provider for information about how to designate email@example.com as a safe sender.