If you don't mine @yahoo.com or @gmail.com they are good isp-independent mail services.
My E-mail is really @yahoo, but if you see yahoo in my e-dress it means I'm concerned you might be a spammer.
Yahoo offers fifty disposable addresses (mine are
[email protected], What fills the blank depends on the place I"m e-mailing)
(What it is canned? Spam of course, if I sign up for something with oh, say canit29-ada, and suddenly ada starts getting 100 spam per day, ada goes away (NOTE not one of my current addys) and the spams bounce
In addition Yahoo has good spam filters and other filters that help to protect me from both spam and mal-ware (Virus etc)
G-Mail offers the same features from what I understand. You can access web mail from any computer on any isp on any platform anywhere you can connect to the net
Another option is a mail reflector. The address you are most likely to see for me has no pop server or web mail server, it's a refelector, I change ISP's I log in, feed it the protocol (User/pass) and tell it my new addy, off the mail goes to the new place.
The particular reflector I use is a club I belong to so when my membership expieres they will cancel my account.
One person mentioned to me "If you are just a couple weeks late with that membership payment they close you down"
Well... I have not paid them membership fees since 1975 (Had to look it up last may) and they have not terminated my life membership yet