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By default, PMG UI uses https access to open the interface. But it only uses a self-signed certificate. so that, it will appear not secure error on your browser.
To prevent this, you can use the commercial SSL certificate. You need to order from the principal. Our company also sell SSL certificate, so if you need that, please give us touch on firstname.lastname@example.org. or you can see in our website https://www.excellent.co.id/ssl/. We don’t only sell a certificate if you bought a certificate on our company you can get deployment support from us, on every
Back to the main point, if you want to get trusted or green bar using your subdomain access on your PMG UI, you need to use SSL. You can get it on SSL principal.
After that, you will get
you just need to combine all of your certificate (key, pem, crt) to one file. like this:
-----BEGIN RSA PRIVATE KEY-----
(Your Private Key (domain.key)
-----END RSA PRIVATE KEY-----
(Your Primary SSL certificate: domain.crt)
(Your Intermediate certificate: commercial_ca.crt)
(Your Root certificate: root_ca.crt if needed)
After that, restart pmgproxy.service:
systemctl restart pmgproxy.service
Finally, now you can access you PMG UI with you subdomain and green bar.
Interested to use Proxmox Mail Gateway Support & Subscriptions License?
Don’t hesitate to contact email@example.com. Our sales will give the best price and best services for you!