Welcome to Sender Index

Explore hundreds of email designs and subject lines to inspire your email marketing.

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Sender Index is powered by data from Return Path

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Disclaimer – Sender Index leverages Return Path’s Panel Data to sample and share with you the most inspiring email campaigns. We do not alter in any way the ownership of copyright and other rights holders of these campaigns and expect you to respect their rights. The Sender Index Site is to be used, and you are granted a limited license to access the Site, for personal, non-commercial transitory viewing only. Please make sure to read carefully our Sender Index Terms of Service and our Sender Index Privacy Policy because, by using Sender Index, you agree to them.

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