Exchange OnlineMail Flow

Configure Exchange Online inbound mail flow to accept SMTP connection only from a specific mail security gateway IP address

Post Views: 13,060 In the current article, we will review how to change the default Exchange Online incoming mail policy, which enables any host, to address Exchange Online using SMTP. A different way of describing such a scenario is – Block SMTP access of external mail servers to Exchange Online. In our scenario, we want…

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