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Is there a problem in the mail flow or spam filter settings? Or is the problem caused by something that's outside your control, such as that the sender is on a global block list? Fortunately, Microsoft 365 provides powerful automated tools that can help you identify and fix a variety of problems.
Find and fix email delivery issues as a Microsoft 365 for business admin.
15 paź 2024 · If an email message that you send can't be delivered to the intended recipient, Microsoft 365 or Office 365 typically generates an error code and sends a delivery status notification (DSN) to you. This notice is also known as a "bounce message" or "bounce-back message."
3 wrz 2024 · Check health and resolve issues related to your Exchange Online organization object. For example, Exchange Online tenant provisioning or RBAC-related issues (various commands aren't available even though users have permissions). Run Tests: Exchange organization object: Mailbox or message size
11 gru 2015 · Based on my experience, possible cause is: when Office 365 establishes SMTP session with Exchange Server, the delay occurs, or due to network issue, the message cannot be delivered immediately, etc. Can you check related logs from Exchange Server?
If a user in your organization is having trouble receiving email, it could be due to a licensing issue, a profile problem, the wrong version of Outlook, or a mix of other issues. Support and Recovery Assistant for Office 365 finds and helps you fix most issues.
14 mar 2024 · You can run an automated diagnostic to identify issues that affect email delivery, and find suggested solutions to fix the issues. Select Diag: Troubleshoot Email Delivery to launch the diagnostic in the Microsoft 365 admin center.
