To whitelist email senders in Yahoo! mail, there are two things you can do:
- Check your Yahoo! Bulk folder. If you see email from someone you want to add to your whitelist, highlight it and click Not Spam.
- Create a filter to automatically send email from certain domains to your Inbox. Click Options in the top right navigation bar. Select Mail Options from the list that drops down. Choose Filters. Click the Add button. Choose the field you want to match in the incoming message (i.e., Header or To) Choose the criterion by which you want a match to be made (i.e., Contains). Enter the text string to compare (i.e., From Women in Business). Then choose the destination folder (i.e., Inbox).