[Users] S/MIME in Zimbra OSS ?

L Mark Stone lmstone at lmstone.com
Wed Mar 14 16:54:37 CET 2018

You can also look at Barracuda and other DLP devices that have filters for HIPAA, Privacy etc. and will encrypt only the outgoing emails that meet the filter requirements.

Curious though why you don't use the Zimbra MTA for sending emails?  Postfix isa pretty standard and hefty MTA on its own...

All the best,



Another Message From...   L. Mark Stone

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From: Users <users-bounces at lists.zetalliance.org> on behalf of Victor d'Agostino <d.agostino.victor at gmail.com>
Sent: Wednesday, March 14, 2018 6:03:53 AM
To: Truong Anh Tuan; users at lists.zetalliance.org
Subject: Re: [Users] S/MIME in Zimbra OSS ?

Thanks all for your replies.

Before considering developing a zimlet (or upgrade to Zimbra NE) I think my team should look at some email encryption gateway projects such as CipherMail<https://www.ciphermail.com/gateway.html> + Ejbca<https://www.ejbca.org/> or OpenXPki<http://www.openxpki.org> because we do not use the Zimbra MTA for sending emails. Also maybe antispam systems can do that.


Victor d'Agostino

2018-03-14 10:55 GMT+01:00 Truong Anh Tuan <tuanta at iwayvietnam.com<mailto:tuanta at iwayvietnam.com>>:
On 03/14/2018 03:32 PM, Victor d'Agostino wrote:
> Is there an opensource S/MIME zimlet somewhere ?

No. Just one for PGP/MIME:

Are you interested in starting one soon?
At iWay, we are also interested in that. However, we are lack of resources.

Kind Regards,
Truong Anh Tuan
iWay Founder & CEO
M: 0903237001
P: (04)3537-8684
E: tuanta at iwayvietnam.com<mailto:tuanta at iwayvietnam.com>

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