Running Astaro 5.211
I have the smtp proxy running with SMTP authentication enabled, require TLS enabled, and LDAP as my authentication method.
My problem is this, with Microsoft Outlook/Outlook Express clients configured to use outgoing authentication. Everytime they start their program and send their first message, they get the following warning/error message.
"The server you are connected to is using a security certificate that could no be verified.
A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider.
Do you want to continue using this server?"
If you select yes, the message and all other outgoing messages will send just fine.
How do I get rid of this warning message?
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