Add the email address that is sending you email to your Gmail Contacts. Google will usually deliver email from addresses that are in your Contacts.

Mark messages as ‘Not spam’

If Gmail has marked emails you wish to whitelist as spam, tell Gmail the emails are not spam.

1. In Gmail, navigate to the spam folder.
2. Search for emails containing the domain you wish to whitelist (eg onlinegroups.net).
3. Select all the emails shown.
4. Click More and then Not spam.

Add the email address that is sending you email to your Outlook Contacts. Outlook will usually deliver email from addresses that are in your Contacts.

Add the address to your safe senders

1. Click the cog icon in the top-right corner and then More mail settings
2. Select Safe and blocked senders and then Safe senders
3. Add the domain of the email you want to whitelist to the list of Safe senders
4. Return to Safe and blocked senders and then select Safe mailing lists
5. Add the email address of the online group you want to whitelist to the list of Safe mailing lists

Add the address to your contacts

Add the email address that is sending you email to your Yahoo! Mail Contacts. Yahoo! will usually deliver email from addresses that are in your Contacts.

Create a filter for the address

1. Mouse over the Settings menu icon and select Settings
2. Click Filters and then Add
3. Enter a Filter Name
4. Either
   • enter the domain of the email you want to whitelist in the Sender field, or
   • enter the email address of the online group you want to whitelist in the Recipient field
5. Select Inbox as the folder to deliver the email to
6. Click Save and then click Save again