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petRUShka
Asked: 2011-06-30 08:17:11 +0800 CST

How to sign and encrypt all sended mail via sendmail\postfix

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I have certificates x.509 for signing and enrypting outgoing emails. I want to create plain emails in some app (Ruby on Rails app in my case) and send it via sendmail with autosign and autocrypt solution.

Is it possible?

postfix sendmail encryption x509

1 Answers

  1. You should be able to do this using a milter such as MIMEDefang: https://www.milter.org/milter/4

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