![]() ![]() ![]() I added a new A record of 62.x.x.x against .uk.Īfter a while users started to report that they are getting Security Alert - The security certificate was issued by a company you have not chosen to trust. On our hosting portal there is an existing sub domain of .uk and A record of 195.x.x.x I added the new IP address to this rule 62.x.x.x ( new ip) to 10.x.x.x. We have an SMTP proxy firewall rule as follows 195.x.x.x (existing ip) to 10.x.x.x (email server) We have recently added a new leased line with new external IP Address range. We have an on-site Exchange 2016 server and users are currently using Outlook 2010.
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