Comcast

[David Hummel]

On Wed, Nov 11, 2009 at 6:41 PM, Michael Webb <mwebb-Dt0PXscwUuU at public.gmane.org> wrote:
> I think Comcast has started blocking my port 25, has this ever happened to
> anyone?

Yes, at which point I promptly switched to an ISP that does not block
any ports or perform any other network "optimizations", and explicitly
allows running servers in their terms of service.  In my case it's
Speakeasy.  Not sure this is true of RCN...