safe sender list or whitelist.
GMAIL
Open the email in your inbox.
Hover over the sender’s name.
Click “More” in the pop-up box.
Select “Add to contacts” to save the sender to your Contacts list.
You can also whitelist in Gmail before opening the email:
Hover over the sender’s name next to the subject line in the inbox.
Click “More” in the pop-up box.
Select “Add to senders” to save to your Contacts list.
HOTMAIL
Log into your account and click the “Options” link.
Select “More options” from the drop-down menu.
Click on the “Preventing junk email” link.
Click on the “Safe senders” link.
Enter the sender’s email address in the “Sender or domain to mark as safe” field.
Click the “Add to list” button.
The sender will show up in the “Safe senders and domains” box on the right.
YAHOO
Log in to your account and click the “Options” link.
Select “Mail Options from the drop-down menu.
In the “Options” tab, select “Filters from the left menu.
Click the “Add Filter” button in the top bar.
Type a name for your filter in the “Filter name” field.
Select “contains” in the “sender” drop-down menu.
Type the sender’s email address in the “sender” text field.
In the “Move to Folder” drop-down menu, select “Inbox.”
Click the “Save Changes” button in the top bar to save the filter.
AOL
Log into your account and click the “Settings” link.
On the “Settings” page, select “Spam Settings.”
Choose “Allow mail only from addresses I specify” on the drop-down menu.
Enter the sender’s email address.
Click the “Add” button to add them to your sender list.
Click “Save” to save your changes.
MAC MAIL
Select “Mail” and “Preferences” from the top menu.
In the “Preferences” window, click the “Rules” icon.
Click the “Add Rule” button.
In the “Rules” window, type a name for your rule in the “Description” field.
Use the following settings: “If any of the following conditions are met: From Contains.”
Type the sender’s email address in the text field beside “Contains.”
Select “Move Message” and “Inbox” from the drop-down menus.
Click “Ok” to save the rule.
OUTLOOK 2003 (AND HIGHER)
Right-click on the message in your inbox.
Select “Junk E-mail” from the menu.
Click “Add Sender to Safe Senders List.”
THUNDERBIRD
Open the email message.
Click the blue star next to the sender’s name and address to add them to your address book.
WINDOWS LIVE MAIL
Click the Windows Live Mail icon in the top left corner of the window.
Select “Options” in the menu.
Click on “Safety Options” in the next menu.
In the “Safety Options” window, click the “Safe Senders” tab.
Click the “Add” button.
Enter the sender’s email address in the new window that pops up.
Click “Ok” to add sender.
Click “Ok” in the “Safety Options” window to save your changes.
ANDROID
Open the email in your Gmail app. Tap the contact icon to the left of the sender’s name and email address.
Tap “Ok” on the “Add contact” pop-up box.
Tap on “Create new contact” at the top of your Contacts list
Enter the sender’s name in the “First name” field.
Enter the sender’s email address in the “Email” field.
Tap “Save” to save the address
IPHONE
Tap the sender’s name in the “From” line.
On the next screen, tap “Create New Contact.”
On the third screen, tap “Done” to save the address.