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On Mon, 21 Aug 2017, voytek@sbt.net.au wrote:
in order for end user to avoid webmail warnings or email client warnings, do I make this file /etc/pki/dovecot/certs/dovecot.pem available to users say under httpd://webhost/tld/certificate/dovecot.pem
Most likely yes. It should work regardless if the cert is self-signed or not.
However, you could try to find the upper-most cert by running
openssl x509 -in /etc/pki/dovecot/certs/dovecot.pem -noout -text|less
Check out the Issuer and Subject near the top of the outout:
Signature Algorithm: sha256WithRSAEncryption
Issuer: C=AU, ST=Some-State, O=Internet Widgits Pty Ltd, CN=dovecot.example.com/emailAddress=me@example.com
Validity
Not Before: Aug 21 05:36:49 2017 GMT
Not After : Aug 21 05:36:49 2018 GMT
Subject: C=AU, ST=Some-State, O=Internet Widgits Pty Ltd, CN=dovecot.example.com/emailAddress=me@example.comIf both are the same, it's the correct one. Then you really have a self-signed certificate. Otherwise hunt for the "issuer" cert and hand that your users. That would be your CA cert.
Steffen Kaiser -----BEGIN PGP SIGNATURE----- Version: GnuPG v1
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