To set up your Comcast SMTP, you must first have the correct configuration for your Comcast email. How to Optimize Comcast Email Settings for Best Use It is widely used for all sorts of secure/non-secure POP3 emails. It provides free email accounts for all those who subscribe through the Internet service provider (ISP).Ĭomcast email supports all major email programs available across the Internet. It is one of the most popular Internet service providers (ISP) in the United States of America. POP clears up storage space on your mail server plus, there is no limit to maximum size when it comes to emails.You can easily open any attachment of your choice, and once you have opened it, the file easily gets downloaded to your computer.You can read your emails without logging into the Internet. With POP, all your emails are downloadable on your computer.As per why people normally prefer POP to be a reliable email client, Those of you who aren’t aware of POP, the POP3 is one of the oldest Internet message access protocol. For that, the user must have an Xfinity Comcast email account via POP. The article that we are covering today contains essential information on how one can configure SMTP and IMAP Email settings on their Xfinity email accounts.