Mail app certificate-based auth error on macOS Ventura 13.6.3

I'm trying to set up the Mail app on macOS Ventura 13.6.3 to connect to Exchange using a certificate, but I'm getting the error: 'No auth plugin to verify credentials for accounts of type com.apple.account.Exchange.' If I set it up on macOS 15.3.1, everything works fine. Can you suggest how to fix this issue? I can’t update macOS Ventura to the latest version.


[Edited by Moderator]

Original Title: Mail app Certificate-Based Auth

Posted on Aug 18, 2025 02:50 AM

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Mail app certificate-based auth error on macOS Ventura 13.6.3

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