Originally Posted by n2s
Yes, Courier-IMAP/POP3 (I followed your Suse 9.3. howto). And the IMAP server uses a "automatically-generated IMAP SSL key" from the courier mail server. I don't know how I could replace these POP3/IMAP SSL certficates.
and post the output here so that I can see which courier-related programs are available on your system.