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40011 – Too many requests

Exceeded upstream rate limit. As a result the message was flagged by a SPAM filter and was not delivered. This is a temporary condition.

40011 – Causes

  • Sustaining the maximum rate for a long period of time can cause numbers to be temporarily blocked

40011 – Solutions

  • Send messages at a slower rate per number.
  • Use a toll-free number or short code

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