Courier IMAP

1. Login to server via terminal client.

2. At the prompt, type ("server" is your server name): openssl req -new -nodes -keyout server.key -out server.csr

3. This begins the process of generating 2 files:

  • Private-Key - for decryption of certificate,
  • CSR - to issue SSL certificate.

4. As a Common Name type full domain name (FQDN) which will be secured. In case of  Wildcard certificates, use * character at the beginning (*.yourdomain.com).

5. Enter organization information (some can be set already).

6. This will start CSR generation.

7. Open it with Notepad document including BEGIN and END lines. Save it as yourdomain.csr - you will need it to issue your SSL certificate.