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Installing an SSL in Courier IMAP

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Last Updated: October 27, 2009 11:16 AM

After your certificate request is approved, you can download your SSL and intermediate certificate from within the SSL application. For more information, see Downloading Your SSL Certificate. Both of these files must be installed on your Web server.

To Install Your SSL and Intermediate Certificate

  1. Gather your certificate files.
    Log in to your SSL Manager and download your primary and intermediate certificates. You also need your private key (your_domain.key), which was generated by your server along with your CSR.
  2. Create a combined .pem certificate file.
    Using a text editor such as Notepad, paste in the contents of the primary certificate and your private key, including the BEGIN and END tags. For example:
    -----BEGIN CERTIFICATE-----
    (Your primary certificate: your_domain.crt)
    -----END CERTIFICATE-----
    -----BEGIN RSA PRIVATE KEY-----
    (Your private key: your_domain.key)
    -----END RSA PRIVATE KEY-----
    Save the file as gdcertpack.pem
  3. Save the Go Daddy intermediate certificate.
    Copy the Go Daddy intermediate certificate into a text editor and save the file as gdca.txt
  4. Secure Courier IMAP.
    Locate and open imapd-ssl file (usually found in /usr/lib/courier-imap/etc/). Add the following directives and file locations:
    • TLS_CERTFILE=/some/path/gdcertpack.pem
    • TLS_CERTFILE=/some/path/gdca.txt
    Verify that the line below is allowing SSL3:
    • TLS_PROTOCOL=SSL3
  5. Secure POP3.
    Locate and open pop3d-ssl file (typically found in /usr/lib/courier-imap/etc/). Add the following directives and file locations:
    • TLS_CERTFILE=/some/path/gdcertpack.pem
    • TLS_CERTFILE=/some/path/gdca.txt
  6. Verify your file permissions.
    Ensure gdcertpack.pem is readable by root only.
  7. Restart your Courier IMAP server.