EX2013 - this is running in hybrid mode. I do not have any mailboxes on-prem. Everything was migrated to Exchange Online years ago. I don't have any SMTP relays either. Exchange 2013 went EOL last ...
Due to recent attacks and multiple ‘proxy’ (authentication bypass) vulnerabilities found in on-premises Exchange servers, it has become a headache for organizations to keep updating their servers and ...
Microsoft has reminded administrators again that Exchange 2016 and Exchange 2019 will reach the end of extended support next ...