Bandwidth’s spam blocking policy


Chase Greiser


This article is meant to help you understand Bandwidth’s spam blocking policies. Please reference Bandwidth’s SMS Terms and Conditions and Acceptable Use Policy (AUP) for more information.

Definition of spam

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

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

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, and status updates are all examples of commercial transactions. Bandwidth has tools designed to block unsolicited commercial messages.

A message is unsolicited when:

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

Fraudulent or unlawful activity

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

Prohibited SMS/MMS content (SHAFT)

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

A2P/P2P guidelines violations

Bandwidth may choose to block content that it determines to be inconsistent 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. 

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