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How to Add Safe Senders and Whitelist Email Addresses

Last updated: November 21, 2025
Comprehensive Guide to Configure Safe Senders in Comcast Xfinity Mail

How to Add Safe Senders and Ensure Important Emails Reach Your Inbox in Comcast Xfinity Mail

In this guide, we will walk you through the steps to add safe senders to your Comcast Xfinity Mail account. This ensures that important emails are not misclassified as spam and reach your inbox successfully. We'll cover methods such as adding contacts, using filters, creating safe sender entries, and more.

  1. Add to Contact List

    1. First, open your browser and log in to your Comcast Xfinity Mail, using your username and password.
    2. Once logged in, navigate to the Address Book tab located in the main menu.
    3. Click on the Add Contact button.
    4. Enter the email address you want to add as a safe sender in the provided fields. Ensure you include both Name and Email address for accuracy.
    5. Click Save to add the email to your contact list.
    6. Tip: Regularly update your Contact List with frequently communicated email addresses to minimize disruptions.

  2. Create a Filter

    1. In your Xfinity Mail interface, click on the Settings icon (gear symbol) in the upper-right corner.
    2. Select Settings from the dropdown menu.
    3. In the Settings menu, click on Filter Rules from the left-hand sidebar.
    4. Click the Add New Rule button.
    5. Name your filter rule appropriately, e.g., "Safe Senders".
    6. Set the condition for the filter to "From" and enter the email address you wish to allow through.
    7. Choose the action "Keep in Inbox" or move it to desired folders to ensure emails from this sender always appear in your inbox.
    8. Click Save to finalize your filter settings.
    9. Tip: Filters can be edited or removed at any time from the same Filter Rules section, giving you control over your email management.

  3. Use Safe Senders List

    1. Go to your Settings by selecting the gear icon as previously described.
    2. Select the Advanced Settings option.
    3. Find the section labeled Spam Filtering or Safe List.
    4. Add email addresses or domains you wish to whitelist in the text box provided.
    5. Click Save to update your settings.
    6. Tip: Regularly review your Safe Senders List, especially if you notice any desired communications are being misclassified.

By following these steps, you should have a robust system in place to ensure important communications are reliably delivered to your inbox. If you continue to experience issues, consider contacting Comcast Xfinity support for further assistance.