To prevent spam and to ensure the security of our network and customers, Comcast no longer supports the use of port 25 for sending email. If you use an older email client (Outlook Express, Outlook, Mac Mail, etc.), this may impact your ability to send email. To learn more about port 25, please visit our FAQ.To configure an email client to use Comcast email (@comcast.net), the following settings should be used for sending and receiving email:
If you use one of the email clients below, you will need to change your email program settings to send email on port 465. Click on the name of your email client to get detailed setup instructions and to change your settings: