Zitat von Scott Stepanski NCC <[email protected]>:
I am new to this list and a newbie to e-mail encryption. I use Office Logic Interchange (if anyone know that system) for my e-mail server and a webmail application for a client.I have many questions that I hope someone will have the patients to answer.My system is setup as follows; I have an internal mail server that sits on lets say 192.168.30.4, it connects to internal clients, the webmail front end and connects to the Internet on gate 192.168.30.222. First questions are how do I insert the djigzo server into this configuration? I only assume that I change the mail server gateway to the ip of the djgizo box on say 192.168.30.5 and the gateway on the djigzo box the 192.168.30.222, it that correct? I have a setting on the mail server for a relay host for sending mail. Do I set this relay to be the djgizo box on ip 192.168.30.5? I seem to get the idea that inside the MTA config I have to forward the incoming mail from the djigzo box to the mail server.
You have to insert Djigzo as an extra Hop in your SMTP chain so it will "see" all incoming mail at first and all outgoing mail as last internal Hop. This
will look something like thise-Mail clients <--> Office Logic Interchange <--> Djigzo <--> (Firewall/Provider-Gateway) <--> Internet
Encryption functionality: What I am looking to do is setup encryption so the only time a message is encrypted is if a key work is added to the subject line, is that possible. Is it possible for external users to receive and be able to decrypt the message without the need to install a certificate and just use a password? I am not interested in using encrpted PDF files.
Encryption as used by the established PGP/S/MIME standards is not possible without the *recipient* allowing/configuring it and use of certificates. If you want ad-hoc "encryption" with password protected whatever, you have to use the PDF encryption provided by Djigzo, asymetric encryption does not work this way. Beside this it is easily possible to configure with Djigzo all kind of policy based on sender/recipient/domain or trigger in subject for doing encryption or even force it. For more on this you can have a look at the Administration Guide at http://www.djigzo.com/documents/administration-guide.pdf
Regards Andreas
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