Email is for all intent as secure as a postcard in the mail. So if you want to use secure email you have to forget web based mail since over the internet it's plain text HTML to your web browser.
I suggest you do more research and if you must have secure communication look at PGP GPG and things like Hushmail.
Bob
After recent changes to my microsoft account replacing hotmail with outlook, and since google reads everyone's gmail, and after recent changes to my ISP provided webmail, I'm looking for a web based mail program that I can access pop3/stmp servers without having to use the microsoft / google / optimum.net webmail programs. The goal is to access my e-mail without ever having to go on a microsoft / google / optimum.net website ever again.
Any suggestions?

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