Roger B.A. Klorese [EMAIL PROTECTED] wrote:Sam Varshavchik wrote: > Yes, they can. SMTP's twin sister, the mail submission protocol, uses > port 587, which will be unaffected by Earthlink's stupid firewall.
Perhaps. But why assume it won't be blocked? I'd expect them to block
it in a New York minute.
Well, well. Some Internet Service Providers or Internet Access Providers (e.g. Earthlink or some hotels) provide crippled Internet access by blocking random IP ports. So what?
It's not random. Certainly there are a lot of them out there, but I'm not aware of a single one that blocks port 587. In fact, I don't know anyone who's blocking anything other than port 25 on egress, except for selected cable companies that block well-known peer-to-peer ports.
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