On 11/14/05, Chris Schumann <cschumann at twp-llc.com> wrote:
> I forgot to mention that I copied over a few key configuration files from
> the old drive to the new server. Files like sendmail.mc, imap.conf, and so
> on.
> I'm getting a message from Thunderbird: You have received an invalid
> certificate. Please contact the server administrator or email
> correspondent and give them the following information:
> Your certificate contains the same serial number as another certificate
> issued by the certificate authority. Please get a new certificate
> containing a unique serial number.

Are you trying to access your mail via imap-ssl?  If so, try accessing
over vanilla imap.  Looks like cyrus's ssl cert may be invalid.  Did
you copy the cert over from your old machine?