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Antwort: Re: Postfix with GPG or S/MIME

Axel.Grunersuedfactoring.de
Date: Tue Dec 18 2007 - 06:11:30 CST


Hi,

owner-postfix-userspostfix.org wrote on 18.12.2007 12:59:03:

> * Axel.Grunersuedfactoring.de <Axel.Grunersuedfactoring.de>:
> > is there a way/addon/program for postfix to sign all outgoing mails
with
> > S/MIME oder GPG/PGP? Also not only sign, if there is a known foreign
key,
> > also to encrypt the outgoing mail, and decrypt it if we get one
exncrypted
> > with our public key.
>
> There's no Open Source Crypto gateway out there that builds upon Postfix,
but
> I recall a Closed Source product to do so.

Do you know the name?
Well, maybe we will use PGP Universal Gateway Mail. Will work with Notes,
and we are using
Notes as the internal Mailserver, which handles the mail over to postfix.

> > As i understood, this must be done (if we sent the mail) before the
mail is
> > signed by DKIM?
>
> Yesno. A message might be DKIM-signed multiple times by various instances
that
> have worked on the message. When the message has been DKIM-signed and is
about
> to leave the network it should not be modified anymore or the
DKIM-signature
> will likely break.

Ok, thanks.

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> > # Der Inhalt dieser Email ist vertraulich. Falls Sie nicht der
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> Dieser Disclaimer hat in Deutschland keine rechtlichen Bestand. Du kannst
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> eigentlich weglassen - zumindest die Deutsche Fassung.

Ja, gerne, ich sage es der Revision auch desöfteren, aber anscheinend sehen
das diverse Rechtsabteilungen,
komischerweise, anderes. Ich kann es nicht verstehen...

Cheers,

Axel