How to Whitelist an Email Address

In Google:

• Simply mark the email you received from us as “Important” under the “More” dropdown
• Create a contact for the new email address
• Create a filter by clicking Settings>Filters>Create a new filter and enter the new domain above in the “From” field, click on Save search as a filter and select Never report as spam

In Outlook:

• Add the new domain to Safe senders list by clicking on the cog icon in the top-right corner and then More mail settings
• Add the new email to Safe mailing lists by clicking on the cog icon in the top-right corner and then More mail settings

In Yahoo:

• Create a contact for the new email address
• Create a filter by going to Settings>Filters>Add

For more instructions, visit https://www.lifewire.com/how-to-whitelist-email-addresses-4588603