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Home » Kerio User Forums » Kerio Connect » Certificate Problem (Macs and iPhones do not recognize certificate authority.)

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We are having a certificate problem. We bought a certificate
from Network Solutions for the mail server. I installed the certificate in KC.
When I connect from an iPhone or a Mac (web browser or Kerio Sync Connector for
Mac or iCal) I get an error that the certificate provider is not recognized. I
look at details and Network Solutions Certificate Authority is the signer and I
am told that "This certificate was signed by an unknown authority." I realize
that browsers and the like have a list of know certificate authorities. How can
Network Solutions be unknown?

When we got the certificate it came in a zip file. In it was 4 files:

I was only able to install MAIL.WASHINGTONIAN.COM.crt into KerioConnect 7 because the other 3 required keys. Is there another step I need to take for installation?

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Seems like the Root or intermediate certificate for Network Solutions is not installed on your Mac & iPhones.


Jakob Peterhänsel
Consultant - Humac A/S

Apple Certified Support Professional (ACSP)
Apple Certified Technical Coordinator (ACTC)
AppleSeed/CQF member since 1998
Kerio Messaging Partner
Pavel Dobry (Kerio)

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You also probably need to install the intermediate SSL certificates (the other files you've got from Network Solutions) into the Kerio Connect: (look at the bottom).

[Updated on: Mon, 01 March 2010 15:55]


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Thanks for the suggestions. I took the unidentified .crt files into the appropriate directory on the Kerio server, stopped and restarted KerioConnect and all seems to be peachy now.
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