IP Whitelisting. In Office 365, you'll use their “Connection Filter” options: Sign into Office 365 and click "Admin" > "Admin Centers" > "Exchange" ...
How to add an IP to Office 365 Exchange Online Connection Filter for all Office 365 delegated tenants. Run this script as an Office 365 Admin with delegated permissions on your customers’ Office 365 tenants. # This is the cmdlet you'll need to edit with your own SendGrid Dedicated IPs (replace 999.999.999.999).
Use the Set-HostedConnectionFilterPolicy cmdlet to modify the settings of connection filter policies in your cloud-based organization. Note: We recommend that you use the Exchange Online PowerShell V2 module to connect to Exchange Online PowerShell. For instructions, see Connect to Exchange Online PowerShell.
12.11.2021 · To connect to Exchange Online Protection PowerShell, see Connect to Exchange Online Protection PowerShell. To configure Enhanced Filtering for Connectors, you need to be a member of one of the following role groups: Organization Management or Security Administrator in the Microsoft 365 Defender portal. Organization Management in Exchange Online.
Exchange Online, Exchange Online Protection This cmdlet is available only in the cloud-based service. Use the Get-HostedConnectionFilterPolicy cmdlet to view the settings of connection filter policies in your cloud-based organization. Note: We recommend that you use the Exchange Online PowerShell V2 module to connect to Exchange Online PowerShell.
20.08.2021 · Connection filtering is performed by the Connection Filtering agent that's available only on Edge Transport servers, and is basically unchanged from Exchange Server 2010. The Connection Filtering agent relies on the IP address of the connecting mail server to determine what action, if any, to take on an inbound message.