![]() If your Microsoft email address no longer meets your needs, you can create a new one or add an alias. An example is that your organization uses a third -party CRM cloud service to send emails on behalf your organization to mailboxes of your company or other external users. To learn more, see Scenario: Integrate Exchange Online with an email add-on service. If you need to use a third-party add-on service to process email messages sent from your organization and then relay through Exchange Online, the third-party service must support a unique certificate for your organization, and the certificate domain must be an accepted domain of your organization.To learn more, see Configure a certificate-based connector to relay email messages through Microsoft 365. If you need to relay emails from on-premises through Exchange Online, and some of these emails apply to the scenarios indicated above, you must update your Inbound Connector of OnPremises type to use a certificate domain (instead of IP addresses), in addition, you must add the certificate domain as an accepted domain of your organization.To minimize the effects of this change before November 1, 2023: The domain in “return_path” does not belong to your organization, but the domain in “sender_address” does.In “custom_data”, you see the property “S:InboundConnectorData=Name=xyz ConnectorType=OnPremises ”, where “xyz” is the name of the inbound connector.If you find traces that match all conditions listed below, then the change affects your organization. Use Message trace to download the “Extended report” (see Message trace in the modern EAC in Exchange Online).If property value of “Return-Path:” contains a domain name that does not belong to your organization, but the domain in “From:” or “Sender:” belongs to your organization, then this change affects your organization. Check the email header (see View internet message headers in Outlook). Send an email from your on-premises (whether it’s app in IIS, scanner, etc.) to yourself. ![]() There are a couple of ways to determine if this change affects your organization. For example, when you use a cloud service platform to relay emails through Exchange Online, the SMTP envelope sender domain (P1 sender domain) will be the 3 rd party service’s domain (perhaps for bounce tracking), but the SMTP header domain (P2 sender domain) is your organization’s domain.Ĭheck if your organization is affected by this change You use a third-party cloud service to relay messages by creating an Inbound Connector of OnPremises type.Your organization uses an application hosted on-premises to send email and the SMTP envelope sender domain (P1 sender domain) is not an accepted domain in Exchange Online.In this scenario, the NDRs often have null as the SMTP envelope sender (P1 sender), but the SMTP header sender domain (P2 sender domain) is your organization’s domain. Your organization hosts email on-premises, and you need to relay non-delivery reports (NDRs) generated by your on-premises system through Exchange Online.Possible scenarios that are affected by this change include, but may not be limited to: This change may affect your organization’s email routing or delivery. The sending host’s IP address or certificate domain on the SMTP connection matches your organization’s Inbound Connector of OnPremises type.Īfter November 1, 2023, if either of the above conditions are not met, the relay attempt from your on-premises environment to Exchange Online will be rejected.SMTP envelope sender domain in the MAIL FROM command (P1 sender domain). ![]() After we remove this condition, relaying email through Exchange Online will require the following: On November 1, 2023, we are removing the matching condition for the SMTP P2 sender domain (1c above).
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |