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Messages identified as SPAM will be rejected and error code 255 returned. Sinch continuously monitors for senders with a high number of SPAM rejections. If the SPAM message content is not resolved, the TFN is subject to blocking and deprovisioning. 

 

Please see our developer docs for more information on error codes. 

Version history
Last update:
‎03-30-2022 01:58 PM
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