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  1. #1
    Platinum Lounger
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    Intranet mail encryption?

    I'm trying to find a software solution, or something adaptable, for an enquiry relating to transparently encrypting/ decrypting mail sent over an intranet. I was thinking of something like a public/ private key system that could integrate into existing mail programs. Maybe the public keyring could be somehow linked to the Contacts/ Address Book? Another requirement would be a key escrow, containing all key pairs. I'm stumped knowing where to begin looking. Any ideas?

    Alan

  2. #2
    Plutonium Lounger Leif's Avatar
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    Re: Intranet mail encryption?

    I would assume that there would be no difference between Internet and Intranet mail - would Verisgn be able to offer something?

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    Silver Lounger t8ntlikly's Avatar
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    Re: Intranet mail encryption?

    you might take a look at JiWire I believe that this will also work over an intranet. I know it works great over the nternet. I use it on the road when I connec to unsecured wirelss hot spots.
    Thanks John
    Teamwork is essential; it gives the enemy other people to shoot at. (Murphy's War Laws #39)

  4. #4
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    Re: Intranet mail encryption?

    Thanks Leif. This is an area of ignorance to me, so I can't readily see if Verisign would be right for the job or not. First looks show some promise though - "VeriSign's secure email solutions seamlessly integrate with most products"

    Alan

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    Re: Intranet mail encryption?

    Thanks John. JiWire seems to always rely on a 3rd party "JiWire Email Server". Am I correct here? If so, I'm afraid they'd deem it unsuitable from their own internal security standpoint.

    Alan

  6. #6
    4 Star Lounger
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    Re: Intranet mail encryption?

    Hi Alan,

    A quick browse through cyberspace brought me here to gpgrelay - designed as a frontend to GnuPG
    John (Unreconstructed Jacobite)

  7. #7
    Silver Lounger
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    Re: Intranet mail encryption?

    I'm going to guess, but I believe that "Thawte" has similar products, but you'd have to check. http://www.thawte.com

    Jeff
    Jeff
    simul iustus et peccator

  8. #8
    Super Moderator jscher2000's Avatar
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    Re: Intranet mail encryption?

    I haven't checked recently, but earlier versions of Outlook accommodated user-to-user encryption. You purchased a personal certificate (e.g., from VeriSign) and got the public key of your correspondent. However, this didn't do anything for the rest of your mail...

    In the POP3/SMTP world, it is common for ISPs to offer SSL-encrypted transport from your mail client to the server. This usually is not done as a service to the user, but a way to securely identify the sender to avoid allowing nonsubscribers to use the ISPs mail servers. If you are using Exchange, I don't know whether this is an option.

  9. #9
    4 Star Lounger
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    Re: Intranet mail encryption?

    Then there's always the open source solution of Tiger Envelopes at http://www.tigerprivacy.com/ ...
    John (Unreconstructed Jacobite)

  10. #10
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    Re: Intranet mail encryption?

    Thanks Jeff, but further info indicates that they don't want to rely on anything external (certificates etc.) Something with key pairs held in internal escrow seems to be what they're aiming at... the plot thickens.

    Alan

  11. #11
    Platinum Lounger
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    Re: Intranet mail encryption?

    Being a local relay, this would fit with their "closed shop" approach. Do you know if it's suitable for any/ all e-mail clients? I think they have quite a mixture - Outlook, OE, Moz ...

    Alan

  12. #12
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    Re: Intranet mail encryption?

    Thanks J. I've been trying to learn a bit about SSL-encryption. It's certainly used widely enough and seems to be appropiate to what they're after. I will have to find out more re: the complexities of setting it up for intranet. I'm also beginning to wonder what other vulnerabilities they'll have to start looking at. e.g. peeking into stored unencrypted messages.

    Alan

  13. #13
    Silver Lounger
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    Re: Intranet mail encryption?

    Perhaps reverting back to the old days might be something for them to consider? you know...... when they had "messenger boys" running memos between departments? They could even get them bonded. <IMG SRC=http://www.the-highway.com/Smileys/haha2.gif>

    Jeff
    Jeff
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  14. #14
    Platinum Lounger
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    Re: Intranet mail encryption?

    Thanks John. I found this earlier during my searching, and it looks to be a really neat, self-contained solution. Do you have any experience using it yourself?

    Alan

  15. #15
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    Re: Intranet mail encryption?

    This month's PC Pro magazine (probably UK only) has something on email encryption, but I didn't get to it before I fell asleep last night!

    John
    <font face="Script MT Bold"><font color=blue><big><big>John</big></big></font color=blue></font face=script>

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