Send & Receive Issues

Meaning of Receive, Pending, and Deliver Statuses in Message Trace

Ayan Masood Oct 9, 2026 869 views

Question details

The user needs to understand the specific definitions and implications of the Receive, Pending, and Deliver statuses shown in Microsoft 365 Message Trace Enhanced Summary Reports.

Meaning of Receive, Pending, and Deliver Statuses in Message Trace

Product: Microsoft 365 Exchange Online
Device & OS: not provided
Scenario: Reviewing Enhanced Summary Reports in Message Trace to determine the delivery outcome of an email.
Observed behavior: The message trace logs display multiple statuses such as Receive, Pending, and Deliver simultaneously for tracked emails, causing confusion about the final message state.

Before you start

Ensure you have the necessary Exchange Administrator or Global Administrator privileges in Microsoft 365 to run and view Enhanced Summary Reports in the Exchange admin center.

Solution 1Recommended

Interpret Message Trace Statuses in the Exchange Admin Center

By understanding the chronological stages of message processing, you can accurately determine where an email currently is in the delivery pipeline.

These statuses represent the sequential stages a message goes through within the Microsoft 365 email routing infrastructure. It is normal to see all three statuses for a single email, as it simply documents the message's journey from arrival to final delivery.

Analyze the 'Receive' Status

Open your Enhanced Summary Report and locate the 'Receive' entry. This status indicates that the Microsoft 365 service successfully received the message from the sender's mail server and accepted it for routing.

Monitor the 'Pending' Status

Check the 'Pending' entry in the log. This indicates that the message is currently undergoing processing (such as spam/malware filtering) or that delivery to the next hop is still in progress and actively being attempted.

Confirm the 'Deliver' Status

Look for the 'Deliver' status at the end of the trace timeline. This confirms that all processing finished and the message was successfully deposited into the intended recipient's mailbox.

Interpret Message Trace Statuses in the Exchange Admin Center

Status Progression: If you see all three statuses appearing on the same email trace, it means the email successfully progressed through every stage of the delivery process without failing.

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Frequently Asked Questions

Why does an email stay stuck on the 'Pending' status?

An email remains in the Pending status if it is experiencing temporary routing delays, undergoing extensive security scanning, or if the recipient's mail server is temporarily unreachable. The Microsoft 365 system will automatically retry delivery for up to 24-48 hours.

Can an email fail after showing the 'Receive' status?

Yes. The 'Receive' status only confirms that Microsoft 365 accepted the email. If the message subsequently violates compliance rules, is flagged as high-confidence malware, or encounters a fatal routing error, it will fail during the 'Pending' stage and will not reach the 'Deliver' status.

How do I access Enhanced Summary Reports in Microsoft 365?

Sign in to the Microsoft 365 Defender portal or Exchange Admin Center, navigate to the 'Mail flow' section, select 'Message trace', and choose to run an extended or custom query for messages older than 7 days to generate an Enhanced Summary Report.

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