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Technology Stocks : CustomTracks Corporation (CUST) -- Ignore unavailable to you. Want to Upgrade?

To: Tom Hua who wrote (1125)	6/29/1999 5:37:00 PM
From: Lucky888	Respond to of 2514

CUST -- Very good analysis... Besides, 90% of my email is not really that content sensitive and probablay don't need any encription. L.

To: Tom Hua who wrote (1125)	6/29/1999 5:48:00 PM
From: Craig Richards	Read Replies (4) \| Respond to of 2514

Tom, 3. To send emails with ZixMail, senders must be connected to the internet. No internet, no email. Why is this an issue? How can you send an e-mail if you're not connected to the internet? Issues I see: 4. Cross platform functionality. The first release of ZixMail only supports 32 bit Windows. So if you exchange e-mails with someone who uses a Mac, UNIX, Win 3.1, or a PDA, you'll be out of luck. 5. Ease of use. Who wants to enter a password every time you send or receive an e-mail? How many AOL users will be able to figure out that an incoming e-mail is contained in the attachment, and that they will have to open the attachment in the ZixMail program before the e-mail can be read. Users who use ZixMail will have their e-mail in 2 different places - the ZixMail application as well as their normal application. This would make a lot more sense if it was bundled as part of the e-mail application, and not a seperate application. 6. Security considerations. Business users may feel uncomfortable outsourcing such a sensitive application to a relatively unknown company that has shown it can be rash in suing another company. CUST will have a record of every e-mail sent and to whom. This information alone may be sensitive, and their current scheme does not allow it to be kept confidential. Regards, Craig

To: Tom Hua who wrote (1125)	6/30/1999 5:30:00 AM
From: Adrian Wu	Respond to of 2514

Tom: 1. Without both parties using this system, how does the sender know the right person is reading the message, and how does the recipient know the right person actually send the message? 2. And I guess the same is true for Amazon, Yahoo, Excite, ebay, Priceline and any other businesses on the internet. 3. How does one send or receive e-mail without being connected to the internet? That would be an interesting idea.

To: Tom Hua who wrote (1125)	6/30/1999 5:40:00 AM
From: dumbmoney	Respond to of 2514

Each email sent via ZixMail requires direct access to CUST's signature server for retrieval of public code. Thus success of transmitting and receiving emails relies on the reliability and performance of CUST server. Yes, that's bad, but worse is the security problem it introduces. You have to trust that the server will return the correct and true public key, each and every time you send an email. Suppose that a government agency asks ZitMail to return false information (i.e. a public key generated by the government agency rather than the one generated by the intended recipient). Is ZitMail going to refuse? How do you think they got the export license?