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Error: Mandrill BCC Not Working

What's Causing This Error

Most possibly, Mandrill is ignoring the BCC headers and hence this error.

Solution - Here's How To Resolve It

To solve this,

  1. Try using the To field rather than the Bcc field and set X-MC-PreserveRecipients to false.
  2. Or else, specify the Bcc address in the To field but declare their type as bcc. Add "preserve_recipients": true under the message section. The code given below is an example of implementing this solution.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 { "to":[ { "email":"to1.email@example.com", "name":"To Recipient Name", "type":"to" }, { "email":"bcc1.email.@example.com", "name":"BCC1 Recipient Name", "type":"bcc" }, { "email":"bcc2.email@example.com", "name":"BCC2 Recipient Name", "type":"bcc" } ] }

Read more about X-MC-PreserveRecipients here.

Other Common Mandrill Errors (and Solutions)

View all errors

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