Encrypting from Mail-In databases

[ChadB@xxxxxxxxxxxxxxxxxxxx]

We currently use Lotus notes 6.5.4 and the domino server version is also
6.5.4.  Currently we send emails with attachments to/from some mail-in
databases.  Those databases have agents that run when mail arrives that
detach the attachments and puts them into new emails and send those emails
unencrypted to customers or suppliers (hope that makes sense, it's very
simplified).

Is it possible with Domino or some third party software to encrypt those
emails before sending them out?.   Either thru the agent we use now or a
new agent?
Then, in reverse we would need it to unencrypt an incoming email.  All this
would have to require no user intervention for the encryption/unencryption.

Is anyone doing anything of the sort?

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