> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.coupontools.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How can I limit one coupon per email receiver only?

Our email integrations always have a limitation of one (1) coupon per receiver.  
  

### Which email marketing software do you support?

  
  
*   Mailchimp
  
*   Activecampaign
  
*   YMLP (your mailing list provider)
  
*   Our integrated email marketing tool (Sendgrid, Mandrill, Sendinblue)
  
  
If you use our integrations you can also track opens, claims and validations in our dashboard statistics.