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Emails showing as "Pending processing", "Processing" or "Failed" but being sent and received

  • Date: 05/06/2026
  • Reference: ADV-78892
  • Status: Fixed in 2026.1.300


Issue

When going to the 'All Emails' screen, emails are showing as either "Pending processing", "Processing" or "Failed" in the Mail Status, however the emails are sometime being sent successfully to the receiver.

  • 2025R1 shows 'Pending Processing'  

  • 2025R2 shows 'Processing'

  • 2026R1 shows 'Processing'

  • 2026R1 shows 'Failed' or 'System Nullable' with the the previous customisation fix (AC341868v4 or MailingProcessing2026r101)

 

Workaround

Please raise a ticket to our Support team for a script fix to be applied to your site.

If your site had the previous customisation fix and have just upgraded to 2026.1.100 or 2026.1.200, please remove the customisation fix and then contact support for the script fix.

Please note: 

  • Any sites upgrading to a version below 2026.1.300 will have the script fix removed. The script will need to be applied again on the new version until they upgrade to 2026.1.300 or above.

  • If you are experiencing re-triggering of emails. Please delete the 'Processing' / 'Pending processing' status emails in the 'All Emails' screen to prevent them from re-triggering.