It is not mandatory that the users can sign into their Comcast email account from their home only. In fact, it can be done from a remote location too. And there are no troubles involved in doing this.
• Choose your computer and open a web browser
• Type Comcast to access your email
• Enter your username and password in the fields
• Click on sign in and you can now send an email
The steps are to be performed in the same order or you will not be able to login to your Comcast email. Get More Help for Comcast Email Login