[FReepaholic]

...Comcast network will not allow you to send email until you apply a simple one click fix available at http://www.comcastsupport.com/alternateport...

First, make sure this isn't a phishing attempt to get you to disclose your password or credit card information.

I'd call them first before using that link.

Or, if you're email is html, you can view the source and make sure the link is legit.

[shadowgovernment]

got the same email 2 weeks ago —all I did was delete it - my email works fine - this IMO is phishing do not respond to it.