I mailed a duplicate campaign. Why is the duplicate 100% missing?

A 250ok Inbox test could show as 100% missing if it is a duplicate of a previous send, even if the send if from a different address. To remedy this issue, 250ok recommends implementing an x-header or HTML body tag to help identify your mail. Click here for more information on adding an x-header to your inbox tests.

Click here for more information on missing mail.

Open your 250ok Settings Menu and select “Contact Support” under Help Center or contact 250ok Support if you have any questions about missing mail.

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