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"problematic" domains blocked?

New Poster

"problematic" domains blocked?

does Comcast actively block mail from Guerilla mail's domains?  and yes my spam filter is turned off.

Official Employee

Re: "problematic" domains blocked?

going to need you to be more specific. 


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New Poster

Re: "problematic" domains blocked?

that was pretty specific.  they use several domains, but if you need me to pick one how bout sharklasers.com?

Official Employee

Re: "problematic" domains blocked?

do you have any other domain or a better example? the domain sharklasers.com is being blocked due to failing DMARC. 


I am an Official Comcast Employee.
Official Employees are from multiple teams within Comcast: CARE, Product, Leadership. We ask that you post publicly so people with similar questions may benefit from the conversation.
Was your question answered? Mark the post as Best Answer!
New Poster

Re: "problematic" domains blocked?

what does "failing DMARC" mean?