UpperDeck said:
Amex looks promising, especially if it allows POP3 email.
I've been using Amex for 3 days now, both at home (56K modem) and my office (T-1). It does not seem to support POP mail.

I can't Reply or Forward any mail from my POP account. No problem retrieving, but that's it...
This was the same problem I had when beta testing WebFlyerNet. Since Amex is done by the same folks (Brand3), it looks like they still haven't resolved the POP mail problem.