Are there any email encryption solutions that don't require additional steps for the recipient?

We're using Google Apps for Business. I'm researching various email encryption solutions. Our goal is to simply have all our outbound emails encrypted, every single email, regardless of where they're sent.

I've learned of some solutions & I'm noticing a pattern; in order to use encrypted emails, the recipient might have to click on a link to go through some verification process (unacceptable if this is for each individual email message), install some sort of software and/or certificate (not desired solution), or maybe do other things I'm not aware of yet.

So here's my question:

Are there any email encryption solutions that I can use with our Google Apps for Business platform that are plug-and-ply so to speak, that don't require the recipient of these encrypted emails to do anything special other than simply open the email that just arrived in their Inbox and instantly be able to read it?

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McKnifeConnect With a Mentor Commented:
Logically, to read it, it has to be decrypted. It cannot be made decryptable hands free, without any form of authentication. So the closest you will get is some sort of gateway appliance that will have to be fed with keys of all senders/recipients and that does the job transparently for you.

But of course that won't integrate with any cloud app like google's.
I am talking about solutions like this one:

No, you cannot skip these steps.
Allen FalconConnect With a Mentor CEO & Pragmatic EvangelistCommented:
Yes, there are services that will encrypt using PGP and require no user action by the recipient.  You would need to route all outbound email through the service (this is how Microsoft sends its update bulletins, for example).

However, unless there is positive identification of the recipient, using this form of encryption does not meet PHI (HIPAA and HiTech), PCI (credit card), or PII (many state level regulation) requirements.

We offer an encryption serviced.  Most of our customers choose to use a private, branded portal, to enhance their brand and reinforce their commitment to security with their customers.
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