ESP Finder
Discover the software used
to send any email campaign.
Curious which email service provider (ESP) was used to send the marketing emails in your inbox? Just forward them to esp@sendview.io and we’ll instantly reply with the answer. Best of all, it's free.
ESP Finder can identify over 315 ESPs and is 100% free.
Just forward any email to:
esp@sendview.io
Just forward any email to:
esp@sendview.io
Most Analyzed ESPs
We can currently identify over 315 ESPs and we're always adding new ones, but if we can't identify a specific ESP they won't show up on the list.