Hello Roelof,

Tuesday, September 28, 2004, 3:18:45 PM, you wrote:

RO> Hallo Cristina,

RO> On Tue, 28 Sep 2004 14:14:38 +0100GMT (28-9-2004, 15:14 +0200, where I
RO> live), you wrote:

CR>> Some of the messages I receive have a yellow circle with a checkmark.

RO> Those are smileys, they're sent along to show that the sender is in a
RO> good mood. :pulling-leg:

CR>> What does that mean exactly? Does it have anything to do with securely
CR>> signing your messages?

RO> It has to do with digitally signing your message and thus showing that
RO> you sent the message and that it wasn't tampered with on the way to
RO> the recipient.

CR>> How do I do that?

RO> You get a certificate by Thawte (or some others) or you create a PGP
RO> key (GPG is compatible with that) and you sign your message.

RO> Both work with a public and a private key. You sign with the private
RO> key and the signature is checked with the public key.

RO> The main differences between the two types are that with certificates
RO> you send the public part along with every signed message and with PGP
RO> the public keys can be requested from the owner or from a key-server.
RO> With certificates the signing is done by the mail client, with PGP
RO> it's done with that PGP/GPG variety that you've got installed.
RO> Messages signed with a certificate are substantially bigger than the
RO> same message PGP signed.

RO> With PGP you've got two ways of signing messages, you can either sign
RO> in the text (that's when you find messages starting with
RO> -----BEGIN PGP SIGNED MESSAGE-----
RO> Hash: SHA1 and ending with some odd codes) or with the signature as
RO> attachment, the latter looks a lot better, but unfortunately not all
RO> mail clients support PGP/MIME (TB does support it)

RO> Most signed messages on this list are PGP signed, it's been quite a
RO> while that I've seen a MIME signed message and that's not only on this
RO> list, but that might just be the kind people I hang around with.

Ok, but the yellow circle doesn't appear consistently (I know there
are mood swings lol ). I mean, this message you sent has a TXT file
attached as you mentioned, but no yellow circle.

-- 
Best regards,
 Cristina in Lisbon, Portugal :flag-portugal:      mailto:[EMAIL PROTECTED]
 The BAT! 3.0.0.19 



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