Support » Plugin: Send Emails with Mandrill » Mandril error: -100

  • Resolved newaytech


    Saw this error in our logs:

    2021-11-26T09:36:03+00:00 CRITICAL Uncaught Mandrill_Exception: wpMandrill Error: -100: An unknown error occurred processing your request. Please try again later.

    Anybody else seen such like?

    Wonder if Black Friday related – but with no retry mechanism in the code – the site never sent the email.

Viewing 3 replies - 1 through 3 (of 3 total)
  • Plugin Author Matt Miller


    Hi! The ‘wpMandrill Error’ field returns error messages from the Mandrill API, not from the WordPress plugin itself. Since you are getting an error, it would imply the plugin is making a successful connection.

    Due to this, I believe this to be an issue on Mandrill’s end and not the plugin so I’m going to close this out. Feel free to open a new ticket if you do find anything specifically wrong with the functionality of the plugin itself. Thanks!

    Thread Starter newaytech


    Hi Matt – thanks for checking in. Other integrations offer retry / logging mechanisms on the event of a sending failure. As there is no way of knowing if an email has not been sent – the “transaction” side of the solution does not really happen. We’ve decided to migrate away from Mandrill – as, to your point – the error was on the mandrill side – and their support has been less than helpful. We’re nearly there now in terms of migrating all of our managed sites to SendGrid… Leaving this here for Googlers – incase anyone else stumbles across the same error code in their logs…

    Plugin Author Matt Miller


    Got it, thanks! The documentation on error codes in the Mandrill docs is sparse (they mention that any non-200 response code should be treated as an error without additional details for individual codes). I’ll keep my eye on this issue moving forward though and provide additional functionality as needed. Thanks for writing in!

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