>I wonder which ISPs are still doing so. I know comcast has been doing >that but they cancelled it after many complaints. It seems to be the >same case for Verizon.
You're mistaken. Comcast most certainly does port 25 filtering, although not necessarily on every line at every moment. So does Verizon, AT&T, and every other large North American consumer ISP I know. Look, kids, it's not 1998 any more. These days outgoing traffic to port 25 is approximately 99.9% botnet spam, 0.1% GWL, and 0% legitimate mail. Blame the botnet herders and the vendors of cruddy software that year after year still is full of trivial exploits. If you can make the botnets go away, I will be happy to lead the charge to unblock all those ports. If it's important to you to have an unfiltered connection, pay for business service that has a static IP, or arrange to tunnel to some host that does. R's, John
