Comcast is screwing its customers…

Comcast is screwing its customers by blocking “spam” which isn’t spam and also preventing mail servers which are accused of “spamming” from being removed from Comcast’s blacklist. I’ve tried to respond to two support requests from Comcast subscribers recently and in both cases, my reply bounced.

I got this back rom my mail server:

Reporting-MTA: dns; *********

Final-Recipient: rfc822;********
Action: failed
Status: 5.0.0 (permanent failure)
Diagnostic-Code: smtp; 5.4.7 - Delivery expired (message too old) 554-' comcast ***.***.***.*** Comcast BL004 Blocked for spam.  Please see' (delivery attempts: 0)

(Of course “***” are places where I’ve removed identifying information).

On following the link to, I get a page which suggests I can go to to get my mailserver unblocked. However, following that link redirects me to which gives me a 404 Not Found.

Way to go, Comcast.

Update 25/8/2010: Seems like this has been fixed.


3 thoughts on “Comcast is screwing its customers…

  1. Hi Mark,

    Thanks for responding to my blog post regarding Comcast at

    I’m not clear why or which email address you want – the address of the
    comcast customer that I was trying to send to? I don’t think that will
    help resolve the problem as all emails from the mail server I’m using
    (details for which are below) are being blocked by Comcast.

    For that reason, I’m highly dubious this email (which I’m also posting
    on the blog) will actually reach you, seeing as you have a Comcast
    address yourself, naturally enough. Though I am trying to send via a
    different server this time, which may help.

    Still, you shouldn’t need any information from me to resolve what is to
    me the most predominant problem – which is that the URL is for some reason re-directing to which is a non-existent

    The mail server which Comcast seems to be blocking is: (ip address


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