Spam Resource: Reference: Comcast Email Domains

Al Iverson just released a new insightful article on Spam Resource:

Hey! I know that people find the ISP domain guides useful, so I thought I’d fire up the blog machine to share info about our friends at American telecommunications company Comcast (Xfinity) and their various email domains. I’m not sure that everybody knows this information already, so I though it would be good to share.It’s mostly pretty simple, and it boils down to this:comcast.net: People who have cable internet service from Comcast (aka Xfinity) and who use Comcast’s email service are going to have their mailboxes in this domain name.comcast.com: Comcast employees are going to have their mailboxes in this domain.cable.comcast.com: Comcast employees will be found here, too.xfinity.com: does have an MX record and you might think it’s alive for email, but I’m not seeing any widespread evidence that any significant number of mailboxes are hosted here.If you run some sort of website where people signup for email messages from…

Read more here: Reference: Comcast Email Domains