How to fix SMS error 30007 related to spam blocks and carrier violations?

Summary

SMS error 30007, indicating a carrier violation or spam block, arises from several interconnected issues: non-compliance with carrier guidelines and TCPA regulations, problematic message content (spam-like text, excessive use of caps/special characters, short codes), use of shortened or shared links impacting link reputation, and inadequate opt-in processes with missing opt-out options. Addressing these factors requires reviewing and revising message content, using branded short links, adhering to TCPA guidelines by gaining documented consent (potentially double opt-in), and continuously monitoring deliverability to maintain compliance and avoid recurrence.

Key findings

  • Carrier Violation: Error 30007 indicates a 'Message Delivery - Carrier Violation' or spam block.
  • Content Issues: Spam-like content, short codes, excessive capitalization, and special characters in messages trigger error 30007.
  • Shortened Links: Using shortened or shared links can negatively affect link reputation and trigger spam filters.
  • Compliance: Failure to comply with TCPA guidelines (e.g., lack of explicit consent, no opt-out) results in carrier violations.
  • Opt-in Process: Inadequate opt-in processes (no confirmation messages, difficult opt-out) can lead to spam blocks.

Key considerations

  • Content Review: Review message content thoroughly to avoid spam triggers and ensure proper disclosures.
  • Branded Links: Use branded short links instead of generic ones to improve link reputation.
  • TCPA Compliance: Adhere strictly to TCPA regulations; obtain documented consent, potentially with a double opt-in process.
  • Opt-in/Opt-out: Implement a clear and easy opt-in process with confirmation messages; provide simple and accessible opt-out options.
  • Monitor Deliverability: Continuously monitor SMS deliverability to identify and address potential issues promptly.
  • Permission Review: Review all permissions to ensure that users are receiving the messages they expect and have agreed to.

What email marketers say
10Marketer opinions

SMS error 30007, a carrier violation or spam block, primarily stems from non-compliance with carrier guidelines, TCPA regulations, and issues with message content and opt-in processes. Key factors include message content resembling spam, use of shortened or shared links, lack of explicit consent, and absence of clear opt-out instructions.

Key opinions

  • Carrier Violation: Error 30007 signifies a carrier violation, often resulting in a spam block.
  • Content Issues: Spam-like content, excessive caps, special characters, and promotional language trigger the error.
  • Shortened Links: Usage of shortened links, especially shared ones, contributes to spam blocks.
  • Compliance: Non-compliance with TCPA guidelines, including lack of consent, leads to carrier violations.
  • Opt-in Process: Inadequate opt-in processes and missing opt-out options cause deliverability issues.

Key considerations

  • Review Content: Carefully review SMS content to avoid spam triggers and ensure proper disclosures.
  • Use Branded Links: Switch to branded short links to improve link reputation and message deliverability.
  • Ensure Compliance: Strictly adhere to TCPA regulations, including obtaining explicit consent.
  • Clear Opt-in/Opt-out: Implement a clear opt-in process with confirmation messages and easily accessible opt-out options.
  • Monitor Deliverability: Continuously monitor SMS deliverability to identify and address potential issues proactively.
Marketer view

Marketer from Email Geeks explains that error 30007 is a carrier violation error, often a 'spam block', and advises reviewing permission, content, etc.

February 2024 - Email Geeks
Marketer view

Email marketer from SimpleTexting recommends that Error 30007 can be mitigated by ensuring a clear and documented opt-in process, including confirmation messages and easily accessible opt-out options.

February 2023 - SimpleTexting
Marketer view

Email marketer from Mobile Text Alerts Blog explains that Error 30007 often arises from non-compliance with TCPA guidelines, such as sending messages without explicit consent or failing to provide opt-out instructions.

September 2022 - Mobile Text Alerts Blog
Marketer view

Email marketer from ExpertTexting answers that Error 30007 indicates the message wasn't sent due to carrier violations and that the best way to avoid them is to be compliant with the TCPA.

June 2024 - ExpertTexting
Marketer view

Email marketer from Reddit mentions that Error 30007 can be triggered by using URL shorteners, especially shared ones, and advises using branded short links to improve reputation and deliverability.

December 2024 - Reddit
Marketer view

Marketer from Email Geeks shares that they are seeing more spam blocks due to link reputation in SMS messages.

June 2022 - Email Geeks
Marketer view

Email marketer from CallFire shares that Error 30007 means the message was blocked due to violations with carrier guidelines.

November 2022 - CallFire
Marketer view

Email marketer from SMS Marketing Forum suggests Error 30007 is commonly caused by message content resembling spam, like excessive use of caps, special characters, or promotional language without proper disclosures.

December 2023 - SMS Marketing Forum
Marketer view

Marketer from Email Geeks shares that shortened links, especially with shared domains, are increasingly becoming disallowed in SMS.

January 2024 - Email Geeks
Marketer view

Email marketer from StackOverflow answers that Error 30007 means there are short codes or other content that carriers won't accept.

October 2022 - StackOverflow

What the experts say
1Expert opinion

To avoid SMS carrier violations (and thus error 30007), businesses must obtain documented consent collected through proper channels. Some carriers may require a double opt-in process where new subscribers confirm their signup request.

Key opinions

  • Documented Consent: Obtaining and documenting consent is crucial for SMS compliance.
  • Proper Channels: Consent must be collected through appropriate and compliant channels.
  • Double Opt-In: Some carriers require a double opt-in process for new subscribers.

Key considerations

  • Implement Double Opt-In: Consider implementing a double opt-in process to enhance compliance and reduce the risk of carrier violations.
  • Document Consent: Ensure all consent records are properly documented and easily accessible for verification.
  • Monitor Compliance: Continuously monitor SMS compliance practices to identify and address potential issues proactively.
Expert view

Expert from Word to the Wise explains that to avoid carrier violations, businesses need to obtain documented consent that is collected through proper channels. They share that some carriers may require a double opt-in where the new subscriber must confirm the signup request.

October 2022 - Word to the Wise

What the documentation says
3Technical articles

Error 30007, a 'Message Delivery - Carrier Violation' or spam block, is triggered when carriers identify messages as unwanted due to factors like content, sending patterns, or lack of opt-in. Resolution involves reviewing content for spam triggers, ensuring proper opt-in procedures, checking sending frequency, complying with carrier guidelines and local regulations, and monitoring deliverability. Sender ID registration issues should also be addressed; requesting whitelisting from the carrier may be necessary.

Key findings

  • Carrier Violation: Error 30007 indicates a carrier violation, typically a spam block.
  • Trigger Factors: Triggers include spam-like content, problematic sending patterns, and lack of proper opt-in.
  • Compliance Issues: Non-compliance with local regulations and carrier guidelines leads to the error.
  • Sender ID: Issues with sender ID registration can contribute to carrier violations.

Key considerations

  • Review Content: Thoroughly review message content to eliminate spam triggers.
  • Ensure Opt-In: Implement and maintain proper opt-in procedures.
  • Check Frequency: Monitor and adjust sending frequency to avoid triggering spam filters.
  • Comply with Guidelines: Adhere to all applicable carrier guidelines and local regulations.
  • Monitor Deliverability: Continuously monitor deliverability to identify and resolve issues promptly.
  • Sender ID Registration: Ensure correct sender ID registration.
  • Request Whitelisting: Request whitelisting from the carrier if problems persist.
Technical article

Documentation from Sinch indicates that carrier violations (Error 30007) often stem from non-compliance with local regulations, spam-like content, or issues with sender ID registration. Correct these factors and monitor deliverability to avoid recurrence.

November 2024 - Sinch
Technical article

Documentation from Twilio explains that Error 30007 indicates a 'Message Delivery - Carrier Violation,' usually a spam block by the carrier. It's triggered when the carrier identifies the message as unwanted based on factors like content, sending patterns, or lack of opt-in.

March 2021 - Twilio
Technical article

Documentation from Plivo shares that to resolve Error 30007, review message content for spam triggers, ensure proper opt-in procedures are followed, check sending frequency, and comply with carrier guidelines. Request whitelisting from the carrier if necessary.

May 2023 - Plivo