What is The LashBack Unsubscribe Blacklist about:
The Unsubscribe Blacklist (UBL) is a real-time blacklist of IP addresses which are sending email to names harvested from suppression files.
Please note: We are unable to remove you from any blacklist.
Click here for delisting on the maintainers site.
If any information concerning this ip Blacklist is incorrect, missing, or out of date, please contact us.
We collect, analyze and process continously data from more than 400 sources.
The aggregated data is accessible by our API and continously updated.
Use our Code Examples to get started.