> On our retail footprint we block outbound traffic from customers with dynamic > IPs > towards port 25, our support tells them to use their ISP's port 587 server.... > That being said, since all of our home users have 50 mbit/sec or greater > upload > speeds we are pretty paranoid about the amount of spam that could be > originated. > > We don't block anything on static assignments. Honestly, even as a very > geeky > user, I probably would not have noticed the block and I can confirm that it is > massively important to lowering our spam footprint as a network. > > I asked our support people, and none of them had ever really had an issue with > this policy in terms of keeping customers. I agree with Ricky's current > comment > on this thread, blocking is unfortunately necessary on the modern consumer > portions of the internet.
Exactly. Just like not having wide open SMTP relays became "unfortunately necessary" over a dozen years ago. It's just the way it is and there is a solution for it.
