Bandwidth’s Spam Blocking Policy


Chase Greiser


This article is meant to help customers understand Bandwidth’s SPAM blocking policies.  Customers should also reference Bandwidth’s SMS Terms and Conditions and Acceptable Use Policy (“AUP”) as well.

Definition of SPAM:

Industry practices that are based upon established laws, rules and best practices dictate that text messages are considered “spam” when it is unsolicited commercial content, involves illegal activity, or otherwise violates any terms of Bandwidth’s AUP including enforcing CTIA's Messaging Principles and Best Practices.

Furthermore, the industry best practices that Bandwidth supports include prohibitions on commercial content that involves sex, hate, alcohol, firearms or tobacco (“SHAFT”).


Bandwidth Has Tools Designed to Block Unsolicited Commercial Messages

A text message is a commercial transaction when it relates to initiating, completing or processing a commercial transaction.


Marketing, sales, reminders, authentication, status updates are all examples of commercial transactions.  A message is unsolicited where:

  • No express written consent was collected from the consumer
  • Or the consumer has expressly opted-out from receiving the commercial messages


Bandwidth Also Aims to Block Fraudulent or Unlawful Activity

Bandwidth will block any message that involves illegal activity such as “phishing”/identity theft scams, unlawful threats or any type of fraudulent activity.


Bandwidth’s Tools Block Content Prohibited for SMS/MMS (SHAFT)

Without making technical legal determinations the industry’s’, wireless carriers have adopted terms of use that prohibit commercial content related to sex, hate, alcohol, firearms or tobacco (SHAFT) and Bandwidth also blocks messages in these categories.


Bandwidth May Block Content that Violates A2P / P2P Guidelines

Bandwidth may choose to block content that it determines are not consistent with CTIA's Messaging Principles and Best Practices for P2P / A2P traffic exchange, including use of public URL shorteners and use of pools of phone numbers for bulk sending.  


Industry References

CTIA's Messaging Principles and Best Practices

FTC Article / Definition of Spam


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