Ensure Reject email messages if they aren't over TLS is checked.Uncheck the turn it on setting. You will turn this inbound connector on once you are ready to cutover mailflow.Inbound connector for Proofpoint Essentials). (Optional) Enter a value for Description (e.g.Proofpoint Essentials Inbound Connector). While accessing the Exchange Admin Center, click mail flow then connectors.This is to ensure no mail is lost.Īn inbound connector is used to manage mail traffic between Office 365 and Proofpoint Essentials. This rule will allow external email to come in still, but will follow O365 scoring. Set the message header: X-MS-Exchange-Organization-SkipSafeLinksProcessing to the value: 1ĭue to major complaints, Proofpoint has opted to change to the format of ensuring Proofpoint mail is not scored via the O365 system.Select Modify the message t a message header.Optional steps if you need to disable Office 365's Advanced Email Threat protection (Safelink rewrites)īefore clicking Save in the above step 6 do the following: Do the following > Modify the message proprieties > set the spam confidence level > bypass spam filtering.Ensure Set the spam confidence level (SCL) to is selected in the Do the following. menu.Type in the address followed by the + icon.IP address is in any of these ranges or exactly matches. For Apply this rule if… select The sender.
By-pass Spam filtering for Proofpoint Essentials) In the new rule window, complete the required fields:.Click + icon to access the pull down menu.Sign-In to the Office 365 Admin portal.The delivery and failover destinations refers to the "points to" values captured in the previous section. Repeat if you are adding more than 1 domain.Instructions can be found at Verifying relay domains Click Verify Now if you wish to verify your domain at this stage or Verify Later.Įach Domain must to be verified before it can be enabled.Choose the method you wish to use for domain verification.Enter the delivery and failover destinations values.
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