Having trouble with your Xfinity Mail

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Q1: Let us know, since how long have you been facing this error/issue:

Email not Working

Professional email not working issues refer to technical problems experienced by business customers of Xfinity, including email delivery failures, email login issues, and issues with the email configuration. These issues can have a significant impact on business operations, and Xfinity provides specialized technical support to resolve these problems.


  • Incorrect email client settings.
  • Problems with the server or network.
  • Account login issues or wrong login details.
  • Mailbox full or storage limit exceeded.
  • Email is being marked as spam by the recipients.
  • Virus or malware affecting the email account.
  • Outdated or incompatible email client software.
  • Configuration issues with third-party email clients.

Solution 1: Verify that the account is active and the billing is up to date

  1. First, log in to your Xfinity account using your username and password.
  2. Next, click on the My Account tab at the top of the page.
  3. After that, scroll down and click on the Billing section.
  4. Now, check the account status and ensure it says Active.
  5. Verify that your billing details are up to date and that your payment has been processed successfully.
  6. If there are any issues with the account status or billing details, contact Xfinity customer help.

Solution 2: Check the email server settings and ensure they are correctly set up

  1. First, open your email client and go to the account settings or preferences.
  2. Then, look for the section that allows you to configure the email server settings.
  3. Check that the incoming and outgoing server addresses are correct. 
    • For Xfinity, the incoming server should be set to imap.comcast.net, and the outgoing server should be smtp.comcast.net.
  4. Ensure that the correct port numbers are being used for the incoming and outgoing servers. 
    • For IMAP, the incoming port should be set to "993" and the outgoing port to "587". 
    • For POP, the incoming port should be set to "995" and the outgoing port to "587".
  5. Make sure that SSL encryption is enabled for both incoming and outgoing servers.
  6. Save the changes and try sending or receiving emails to test if the settings are working properly.

Solution 3: Clear the browser's cache and cookies

  1. First of all, you have to open your web browser window.
  2. Next, go to the browser's settings or options menu.
  3. Then, find the option to clear browsing data or history.
  4. After that, select the option to clear cache and cookies.
  5. Choose the time range for which you want to clear the cache and cookies.
  6. Now, click on the clear or delete button to complete the process.
  7. Lastly, restart the browser and try accessing your Xfinity email account again.

Solution 4: Disable interfering browser extensions or add-ons

  1. To get started, open your web browser window.
  2. Click on the menu icon (three dots) located in the top right corner.
  3. Then, select More Tools and then click on Extensions or Add-ons.
  4. Find any extensions or add-ons related to Xfinity or email services and disable them by toggling the switch next to them.
  5. Now, close and reopen your web browser to ensure the changes take effect.
  6. Try accessing your Xfinity email account to see if the issue has been resolved.

Solution 5: Disable the antivirus or firewall temporarily

  1. Firstly, click on the Windows Start menu and select Control Panel.
  2. After that, select the option for Security or Firewall.
  3. Next, click on the Turn Windows Firewall on or off link.
  4. Choose the Turn off Windows Firewall option for both private and public networks.
  5. Then, open your antivirus software and navigate to the firewall settings.
  6. Disable the firewall temporarily or create an exception for your Xfinity email client.
  7. Now, restart your computer and try accessing your Xfinity email again.
  8. Remember to re-enable your firewall and antivirus software after troubleshooting.
Email Support

Frequently Asked Questions (FAQs)

Xfinity Email provides 10GB of storage, and exceeding the limit due to saving large attachments can cause issues in sending or receiving emails. To check storage usage, access the Xfinity Email website and click on the gear icon.

The two possible reasons behind Xfinity email not working could be a poor internet connection or an outdated browser. To determine if it's a slow internet connection causing issues, try loading a random website page. To fix an outdated browser, update it to the latest version.

The Xfinity email account may be slow due to insufficient bandwidth in the current plan. This can occur if there is an increase in internet usage, especially if working or learning from home. Upgrading the internet plan can help resolve this issue.

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