error. Please turn off your ad blocker and refresh the page to subscribe. After LastPass's breaches, my boss is looking into trying an on-prem password manager. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. This problem may occur if one of the following conditions is true: To resolve this problem, follow these steps: If the user is using Microsoft Outlook to send mail, clear the external contact's name from the Outlook Auto-Complete list. If you send email from your IU Exchange account to a Gmail at IU email address, an undeliverable message will look like the following: Subject: Undeliverable: [Your subject line] Body: Delivery has failed to these recipients or groups: username @xmail.iu.edu. Good times! After investigation, Ive noticed IMCEAINVALID-m+2Recipient+40RecipientDomain+2Ech@InternalDomain error in Exchange message tracking log. Check out the latest Community Blog from the community! Error messages when sending email to IU addresses Microsoft Office 365 Error: "Delivery has failed to these recipients or groups", Re: Microsoft Office 365 Error: "Delivery has failed to these recipients or groups", https://docs.microsoft.com/en-us/office365/admin/setup/domains-faq?view=o365-worldwide. For other help with your Microsoft account andsubscriptions, visitAccount & Billing Help. server: BN6PR02MB2548.namprd02.prod.outlook.com Opens a new window Sensitivity labels support local language values, meaning that you can translate the display name and tooltip for labels so that they appear in the language chosen by a user. Yes DG is able to receive external emails and all members are receiving emails without any problems. Office 365: Delivery Has Failed to These Recipients or Groups. When an external sender attempts to send an email message to an Office 365 group they may receive a non-delivery report (NDR). The one MS link is to a legit help article. Diagnostic information for administrators: Generating server: EXCHANGE2010SVR.mydomain.l If you have added the recipient as a contact, please check the email address in the contact card. Power Platform and Dynamics 365 Integrations. I am writing here to confirm with you how thing going now? 1. Delivery has It's an example of just how useful PowerShell is to Microsoft 365 administrators. While I am sending an Email from one Microsoft Office 365 Email Id to another Office 365 Email Id, then the error is appearing as: "Delivery has failed to these recipients or groups, Your message wasn't delivered because the Recipient's email provider rejected it". i have a couple of flows in which i use the send email at the end of the flow, but in the last couple of days all emails which were sent returned "Delivery has failed to these recipients or groups" in my email inbox although when i try to resend the email manually it sends with no failure. Despite repeated attempts to contact the recipient's email system it didn't respond. Delivery has failed to these recipients or groups: I keep getting these Undeliverable: emails. Delivery has failed to these recipients or groups. Mail Delivery Failed: Returning Message to Sender Fix "Undeliverable" error when sending email | IT Help