user's get bouncing when forward or reply to inside org. looks like below
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Your message did not reach some or all of the intended recipients.
Subject: RE: xxxxxxxxxx
Sent:22/08/2016 1:26 PM
The following recipient(s) cannot be reached:
'Display Name Recipient' on 22/08/2016 1:26 PM
550 5.7.1 Requested action not taken: message refused
when I test using testconnectivity.microsoft.com, its shown :
===============================================================
Attempting to test potential Autodiscover URL https://my-domain.com:443/Autodiscover/Autodiscover.xml
Testing of this potential Autodiscover URL failed.
Additional Details
Test Steps
Attempting to resolve the host name my-domain.com in DNS.
The host name resolved successfully.
Additional Details
Testing TCP port 443 on host my-domain to ensure it's listening and open.
The specified port is either blocked, not listening, or not producing the expected response.
Fyi, I have restart all services, but no luck
any suggest?
Regards, Noval