*** edit Nevermind on that, I will find the howto and instructiosn when I need it and am ready, Don't need to further hijack this thread ***
How can I regenerate a self-signed cert then? The internal domain is mydomain.corp, but the addon-domain for email is mydomain.com. I can change the external domain entry to sme.mydomain.com, but not the internal domaind and workgroup.