> ## 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.