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Routing agent EventID shows as "DROP" in the Mail Tracking logs of ScanMail for Exchange (SMEX)

    • Updated:
    • 11 Nov 2020
    • Product/Version:
    • ScanMail for Exchange 14.0
    • Platform:
    • Exchange 2013, Exchange 2016, Exchange 2019
Summary

Some internal clients are unable to receive emails even though Exchange was able to receive and process the email. On the Exchange mail tracking, the EventID shows as "DROP" on emails that were not received by the internal recipient.

Details
Public

This is not an error. This is a correct output when the Web Reputation or the Content Scanning actions are set to Delete Entire Message. This output happens because the email was already deleted by ScanMail for Exchange before it was delivered to the user's inbox. 

To resolve this, you can change the action of Web Reputation and Content Scanning to either Quarantine message to user's spam folder or Tag and Deliver.

Checking for Content Scanning action:

  1. Log in to the ScanMail for Exchange console.
  2. Go to Spam Prevention > Content Scanning  > Action tab.
  3. Choose either Quarantine message to user's spam folder or Tag and Deliver.
  4. Click Save.

Checking for Web Reputation action:

  1. Log in to the ScanMail for Exchange console.
  2. Go to Web Reputation > Action.
  3. Choose either Quarantine message to user's spam folder or Tag and Deliver
  4. Click Save.
Premium
Internal
Partner
Rating:
Category:
Troubleshoot
Solution Id:
1097480
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