This page lists resources for preventing and managing spam.

The following resources are available:

  • Preventing spam
  • Identifying and managing spam
  • Preventing and managing spam in help center

If you have questions about the security of your Zendesk instance, contact Zendesk directly. In case of a suspected security breach, submit a ticket with the subject “Security” along with the details. Alternatively, you can send an email to security@zendesk.com. 

Preventing spam

General guidelines

  • General security best practices
  • Zendesk Suite Actionable Security Guide
  • Zendesk Suite Product Controls and Recommendations Guide
  • Tips to combat spam and protect your business

Zendesk tools and features to help prevent spam

  • Setting your allowlist and blocklist to control email support requests
  • Authenticating incoming email (SPF, DKIM, DMARC)
  • Understanding and managing suspended tickets and spam
  • Managing two-factor authentication for agents and admins
  • Setting the password security level
  • Single sign-on (SSO) options in Zendesk 
  • Understanding options for end-user access and sign-in
  • Restricting access to Zendesk Support and your help center using IP restrictions
  • Requiring authentication for the request and uploads APIs

Identifying and managing spam

  • How to spot a phishing attack
  • About flagged tickets
  • Understanding the sender authentication flag
  • Marking a ticket as spam and suspending the requester
  • Guidelines for reviewing suspended tickets
  • What does "detected as spam" mean?
  • How can I stop a spam attack from coming from my contact form?
  • How can I combat spam submitted via web service?
  • How can I stop a spam attack coming from the Chat widget?
  • How can I bulk delete spam tickets in Zendesk?
  • Why did I receive spoofed emails in my account?
  • Viewing all events for ticket updates
  • Designating an email address to receive required security notifications 

Preventing and managing spam in help center

  • About help center spam prevention
  • Using the spam filter to prevent spam in your help center
  • Marking content as spam and removing it from your help center

 

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