Issues with O365 hosted Exchange

Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g., so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.

My domain is:
I ran this command:
Accessed and entered the ID 1481563734
It produced this output:
Certificate expired 08/13/2019
My web server is (include version):
not sure - O365
The operating system my web server runs on is (include version):
not sure - O365
My hosting provider, if applicable, is:
I can login to a root shell on my machine (yes or no, or I don’t know):
I’m using a control panel to manage my site (no, or provide the name and version of the control panel):
The version of my client is (e.g. output of certbot --version or certbot-auto --version if you’re using Certbot):not sure

Hi @breitzammer

you use two different certificates ( ):

Domainname Http-Status redirect Sec. G 301 0.306 E 301 0.303 A 301 4.197 N
Certificate error: RemoteCertificateChainErrors GZip used - 17432 / 89254 - 80,47 % 200 Html is minified: 106,67 % 4.220 I

Your non-www has an expired certificate:
27 days expired - 1 entry

Your www certificate is valid:
expires in 48 days - 1 entry

How did you create these certificates? Without root access?

Easiest solution: Create one certificate with both domain names and use that.

PS: Your www version has mixed content.

The file

has some url("...") definitions:

Change these to https.

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