Another good post I located on encrypted emails (Posted by Madbull @ VIP).....
I'm going to review a lot of the e-mail services I've seen people signing up for over the past year and go over them in depth with some facts and my opinions on them. If you are seriously interested in protecting your privacy by subscribing to a service, you should seek all of the following features: substantial amount of storage, a secure (SSL) connection, strong encryption for sending and storing messages (starting at your computer), no log keeping, offshore servers, and the option to sign-up and pay anonymously, without providing any personal information including a credit card number, phone number, or email address. Some services are web-based only, while others also offer POP /IMAP/SMTP access. Your first decision should be to determine if a web-based only solution will work for you, or if you will also require POP /IMAP/SMTP access. The cost of the services below range from $24 to $90 per year.
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S-Mail
Hosting: Russia
Incorporation: Ireland
Noticeable Problems: Requires Java, JavaScript & Cookies
Cost: Standard: $24 per year. Premium: $42 per year.
Storage: Standard: 10 MB. Premium: 50 MB.
Pro: If your addressee is an S-Mail user, your message is sent encrypted. The service uses PGP encryption, digital signatures, SSL, POP /SMTP secure access, a virtual keyboard to enter your password, anti-spam filter, and offshore ( Ireland ) servers. Several offline payment options (in Euros) and several online payment options, including E-gold.
Con: The system logs everything and you can't send encrypted messages to non-S-Mail users. Tiny storage, several other limits applied, especially for the Standard service.
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KeptPrivate
Hosting: USA
Incorporation: USA
Noticeable Problems: Onshore(subject to U.S. law)
Cost: $29.95 a year.
Storage: 100 MB.
Pro: Web interface, SSL (128-bit certificate), POP /IMAP/SMTP access over SSL, no logging of traffic or IP addresses, "Closed Loop" private messaging, "if you are using the Web email interface you can encrypt any messages in your inbox or folders with the Blowfish algorithm, [and] if you use the Eudora Internet Suite for Palm it supports POP 3 access over SSL." You can subscribe online or by mail and you can pay by money order.
Con: Onshore (subject to U.S. law), no message encryption from your computer, and you must provide an email address and phone number to subscribe.
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AnonMail
Hosting: USA
Incorporation: USA
Noticeable Problems: Purchased by Hush mail (Need I say more?)
Cost: $29.99 per year. (IMAP access is an additional $14.99 per year.)
Storage: 32 MB (additional 32 MB available at $10 each, up to 128 MB total.)
Pro: Web-based, offshore servers (Germany), SSL encryption, anti-spam features, mail retrieval from external POP 3 accounts, unlimited email aliases, 2048-bit encryption with full OpenPGP support (including Twofish, 3 DES , and RIPEMD160), secure document storage, optional IMAP access, online and offline payment options, and you can pay with E-gold.
Con: Medium storage, but upgradeable. For those who missed it, it has been PURCHASED BY HUSHMAIL
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SecureNym
Cost: Basic: $60 per year. Bonus: $90. (two accounts)
Storage: Basic: 50 MB. Bonus: 100 MB (total, 50 MB each)
Noticeable Problems: Onshore(subject to U.S. law)
Pro: Supports both PGP and S/mime server-side encryption, web based messaging, compatibility with popular mail clients, auto-responder, and a POP 3 or IMAP mailbox. "By installing PGP or an S/mime certificate on your computer, and uploading the public key to SecureNym, all messages in the mailbox are fully encrypted with a key that only the user can unlock. Even when messages are sent to a recipient that does not use PGP or S/mime, his reply will be fully encrypted with your key upon arrival at SecureNym. SecureNym never has your private key, so only you can decrypt a message." No logging of traffic or IP addresses. Will accept money orders.
Con: Onshore (subject to U.S. law), no message encryption available at your computer without PGP or a digital certificate, and medium storage.
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Countermail
Cost: $25.00 per year.
Storage: 250MB
Noticeable Problems: Requires installation of a Java applet and Javascript
Pro: Decent storage, SSL with IMAP/ POP /SMTP access, web mail, supports OpenPGP encryption (with use of Java), 10 different aliases, offshore servers (Sweeden), hardware token authentication, Anonymous email headers
Con: Required usage of Java app, explained in more detail at bottom of page.
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NeoMailbox
Cost: $49.95 per year.
Storage: 1 GB
Noticeable Problems: None noticed
Pro: Huge storage, SSL with IMAP/ POP /SMTP access, web mail, supports OpenPGP encryption (with a free plug-in), spam ID with Razor, virus blocking with ClamAV, unlimited disposable addresses, offshore servers (Netherlands), hardware token authentication, also includes secure (SSL) anonymous surfing, no scripts or required plug-ins
Con: 200 MB per month data transfer quota, with more available at $10 per GB.
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Safe-Mail.net
Cost: $25 per year. (Or free)
Storage: 75MB (3mb)
Hosting: Israel
Incorporation: Israel
The Problem: Israel. Israel's government, that is. That and Safe-Mail's privacy policy is laughable. NSA access allegations (which they deny NSA Controls SSL Email Hosting Services). Requires JavaScript upon initial signing in.
I'm not going to go into an in depth analysis of safe-mail as I promise you it has been compromised whether you believe it or not it is no longer a safe means for an e-mail. Just read there TOS.
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All of the above services have strong anti-spam policies for users and most have limits on the number of recipients per email and/or the size of an email, including any attachments. Read the applicable Terms of Service for all of the details.
Onshore servers: KeptPrivate, SecureNym, and NeoMailbox.
Offshore servers: All of the rest, plus NeoMailbox.
Cost/Storage ($/MB): NeoMailbox: 0.07 (offshore) and 0.16 (onshore), Countermail: 0.10 KeptPrivate: 0.29, Safe-mail: 0.33 AnonMail: 0.94 (32 MB), SecureNym: 1.2 (Basic), S-Mail: 2.4 (Standard)
NeoMailbox is the bargain of the bunch for onshore or offshore servers. It offers everything: lots of storage, SSL, IMAP/ POP /SMTP access, web mail, OpenPGP encryption (with a free plug-in), spam ID, antivirus, unlimited disposable aliases, hardware token authentication. In addition, the 1 GB offshore server package not only includes secure (SSL) anonymous surfing, it is also the least expensive package of the bunch, on a $/MB basis. If you want it all, this deal is tough to beat. The fact there is no requirement of Java means that the user can stay truly anonymous to the provider.
To protect your privacy you should select offshore servers, pay with a money order or GoldMoney, sign-up anonymously, and insist on strong message encryption, in addition to an SSL connection. NeoMailbox offers all of the above.
Reasoning behind JavaScript being a problem: For those of us who like to do browse online with a proxy that is when the problem comes in. Certain codes used in JavaScript have been shown to trace the user back to their originating IP address using even the most sophisticated proxies and TOR. So you've been warned if you like to stay anonymous.