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Subject Author Date
thawte certs Anonyma 01-31-2007
---> Re: thawte certs Sebastian Gotts...01-31-2007
Posted by Anonyma on January 31, 2007, 6:22 pm
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I know when the free certs are used in outlook they sign and encpypt the
e-mail message body, what about the subject lines and any attachments?
Anyone know? Thanks in advance


Posted by Sebastian Gottschalk on January 31, 2007, 6:55 pm
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Anonyma wrote:

> I know when the free certs are used in outlook

Not Outlook, but E-Mail.

> they sign and encpypt the e-mail message body, what about the subject
> lines and any attachments?

S/MIME wraps the entire message into one multipart/mime body, encrypts and
signs it, and then sends it as a MIME attachment to a new message (which
usually contains a non-MIME plaintext part telling about S/MIME).

> Anyone know?

Yes, the relevant RFCs do so. That's why your question is a dumb question.

Posted by traveler 66 on February 1, 2007, 3:24 am
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> Anonyma wrote:
>
>> I know when the free certs are used in outlook
>
> Not Outlook, but E-Mail.
>
>> they sign and encpypt the e-mail message body, what about the subject
>> lines and any attachments?
>
> S/MIME wraps the entire message into one multipart/mime body, encrypts and
> signs it, and then sends it as a MIME attachment to a new message (which
> usually contains a non-MIME plaintext part telling about S/MIME).

You don't know what you're talking about.

>
>> Anyone know?
>
> Yes, the relevant RFCs do so. That's why your question is a dumb question.

Read his question,

Flush



Posted by Vanguard on January 31, 2007, 8:21 pm
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>I know when the free certs are used in outlook they sign and encpypt
>the
> e-mail message body, what about the subject lines and any attachments?
> Anyone know? Thanks in advance
>


If the headers were encrypted, how the hell would the mail servers know
how to handle your mails, or you read them and use rules to organize
them? Encryption is applied only to the body of the message as
encryption uses MIME (i.e., there is a MIME part in the body of your
mail). ALL e-mail gets sent as plain-text. Encoding is used to
identify HTML, RTF, or other non-text formatting and encoding is used in
MIME parts for binaries or encryption. The encryption occurs after you
compose the mail and give it to your e-mail program which then encrypts
the WHOLE body of the message, and that it includes attachments (which
are just another MIME part within the body of your message); i.e., your
message isn't encrypted until you SEND the mail, and attachments have
already been included in the body of your message BEFORE it gets sent.



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