Protect Email Certificate For Free

Yes, it's safe. You need to protect the private key that corresponds to the public key in the certificate. The certificate is public; when you it, it will be sent to everyone that connects as part of the process to authenticate your server.

This error means that the browser cannot find the root certificate in the local trusted certificate store. While establishing the SSL Chain of Trust if the browser cannot find any locally trusted root certificates, then it will not trust the server's certificate.

Fix Problem with this Website's Security Certificate 1 Verify the Date and Time in Windows. Security certificates are used by our web browsers and computers to make sure a particular site is safe. ... 2 Clear Internet Cache and History. Open Internet Explorer. ... 3 Security-Related Settings. ... 4 Try the Webpage Again.

How to Fix SSL Certificate Error Diagnose the problem with an online tool. an intermediate certificate on your web server. Generate a new Certificate Signing Request. Upgrade to a dedicated IP address. Get a wildcard SSL certificate. Change all URLS to HTTPS. Renew your SSL certificate.

This most likely reason you're getting a certificate not secure error message for your email is that you've synced an email account that belongs to a domain that you/your organization owns but there's a mismatch in the SMTP/IMAP settings, port settings, or domain name settings.

On the Tools menu, click Trust Center, and then click E-mail Security. Under Digital IDs (Certificates), click Get a Digital ID. Click Get an S/MIME certificate from an external Certification Authority, and then click OK.

Choose Options >Trust Center > Trust Center Settings. On the Email Security tab, under Encrypted email, select the Encrypt contents and attachments for outgoing messages check box. To change additional settings, such as choosing a specific certificate to use, click Settings.