Step 1: Sign in, in Outlook (make sure you use the web browser.)
Step 2: Setting icon on the upper and right side, please click the setting button.
Step 3: Click the [View Full Settings]
Step 4: Click [spam email] and add the following email address under secured email senders and click save. firstname.lastname@example.org
Step 1. Log in to your Gmail
Step 2. Click the upper and right Setting button,=.
Step 3: Go to filters and Blocked addresses.
Step 4: Click create a new filter.
Step 5: Add the email in the “From” box and press create a filter with this search.
Step 6: Check the box “Never send it to spam” and then create the filter.
Step 1: Log in to yahoo.
Step 2: Click the cog to open up the settings menu.
Step 3: Click on more settings.
Step 4: Go to “Filters”
Step 5: Click “add new filter”
Step 6: Enter a name for your filter.
Then choose the folder to move it to as “Inbox”
Finally, click “save”