SSL Certificate Installation :: Courier IMAP Server

Courier IMAP SSL Certificate Installation

Installing your Courier IMAP SSL Digital Certificate

1. Collect your Certificate files:

   Login to your DigiCert Customer Account,and collect your primary and intermediate certificate files. Also, locate your private key (your_domain_name.key) that was generated with your CSR.

2. Create a combined .pem certificate file:

   Open a text editor and paste the contents of the primary certificate and the private key one after another in the following order:

   1. The Primary Certificate (your_domain_name.crt)
   2. The Private Key (your_domain_name.key)

   Include the 'BEGIN' and 'END' tags on each. The result should look like this:

   -----BEGIN CERTIFICATE-----
   (Your Primary SSL certificate: your_domain_name.crt)
   -----END CERTIFICATE-----
   -----BEGIN RSA PRIVATE KEY-----
   (Your Private Key: your_domain_name.key)
   -----END RSA PRIVATE KEY-----

   Save the combined file as digicertpack.pem

3. Save the DigiCert Intermediate certificate:

   Copy the Digicert intermediate certificate (DigiCertCA.crt) into a text editor and save it as a new file named digicertca.txt.

4. Securing your Courier IMAP:

   Locate and open imapd-ssl file (typically found in /usr/lib/courier-imap/etc/). Add the following directives and file locations:

   • TLS_CERTFILE=/some/path/digicertpack.pem
   • TLS_TRUSTCERTS=/some/path/digicertca.txt

   Please verify that line below line is allowing SSL3

   • TLS_PROTOCOL=SSL3

5. Securing your 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/digicertpack.pem
   • TLS_TRUSTCERTS=/some/path/digicertca.txt

6. File permissions:

   Make sure that the file permissions are set so that digicertpack.pem is readable by root only.

7. 7) Restart the Courier IMAP server.

Installing your SSL Certificates in Courier IMAP Mail Server

How to install your SSL Certificate.

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