Outlook: 'trust' certicate 'mail.jh-austin.co.uk Security Alert

Trusting the issuer is as simple as adding the certificate to the Trusted Root Certification Authorities .

To trust the issuer, you need to be able to view the certificate and install it.

Step 1: View the certificate:

Step 2: Install the certificate:

Step 3: Browse to select the Trusted Root Certification Authorities store: