It's still British food.
Very rarely are static and dynamic IP's issued from the same subnet. If you can't get out of a blocked range and won't switch ISP's, then smart-host.
Really? From TFA: "We are singling out spammers on our network and blocking port 25," said Mitch Bowling, Comcast's vice president of operations. "We don't think it's the right approach to blanket port 25. The right approach is to seek out people who are spamming our network and others."
If you aren't able to get a proper reverse DNS entry for your public outbound mail server then you probably shouldn't be running one. If you have a real static IP (as opposed to "my IP doesn't seem to change") - then it shouldn't be a problem getting the DNS setup correctly.
To answer the original question about "what should you do", the answer is simple - if the ISP won't issue a PTR record because of the type of connection being used then the customer should smart-host their mail through the ISP mail servers to ensure global reachability. As you say, often the edge device is a swiss-army knife and in many cases the admin isn't competent enough to properly secure/maintain it. This is exactly what blocking outbound SMTP from dynamic space is meant to accomplish and I'm pleasantly surprised to hear that Comcast/Verizon have finally started to implement what every other responsible ISP has been doing for a decade.
5) Stop trying to run a mail server from a dynamic IP address and wondering why the rest of the world doesn't want to accept your mail.
To play devil's advocate using your example it'd be the same as selling "child poison" and saying there are plenty of other things you could do with it.
Interesting idea on the both hands....
Only in MDU's, otherwise Fibe 16 is the top end which is provisioned with ADSL2+.
Waves of Mass Destruction...
Visa doesn't do hex, and they certainly wouldn't convert spaces to binary. Most of the credit card import systems use formatted flat files. The problem is more likely an alignment issue and the credit card number itself was 4231 4885 5308 1845.
No problem. Oh, you want it for $40 still?
I have Karl Rove's emails. No kidding. He and his team aren't the sharpest knives in the drawer. They sent copies of their plans to GeorgeWBush.ORG instead of GeorgeWBush.COM addresses -- and, heh heh, they ended up in my in-box.
Maybe going outside the White House system wasn't so clever after all.
Executive ability is deciding quickly and getting somebody else to do the work. -- John G. Pollard