About They Sent It
A catalog of marketing email, open to everyone. Every page is free to read without an account.
What is here
- Brand pages
- Send schedule, volume, ESP, subject lines and the full archive
- Email pages
- The email as it rendered, with its send time, size and link counts
- Search
- Any brand or domain
- ESP pages
- Every brand seen sending through each platform
- Daily Inbox
- The newest emails from every listed brand
- Research
- Studies made from our own data
Who runs this
They Sent It is run by Unlensed, an independent company.
It is not owned by, paid by or partnered with any email platform it reports on.
To reach a person, write to [email protected].
To correct a figure, use Report an error on the page that shows it. How the figures are made is on How we collect.
Last updated Oct 29, 2026