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ubl.unsubscore.com
Unsubscore (LashBack UBL)
The LashBack Unsubscribe Blacklist (UBL) identifies senders who continue emailing recipients who have unsubscribed. It monitors compliance with unsubscribe requests across the email ecosystem.
Tier
Additional
Impact
Medium — Specifically targets senders who ignore unsubscribe requests, which is also a legal compliance issue (CAN-SPAM, GDPR).
Auto-expiry
Does not auto-expire. Contact LashBack support for removal.
What it lists
IP addresses that send email to recipients who have previously unsubscribed.
How to get delisted
- 01Contact LashBack support for your listing details
- 02Review your unsubscribe handling process — ensure all opt-outs are processed promptly
- 03Process unsubscribe requests within 10 business days (legally required under CAN-SPAM)
- 04Implement proper list-unsubscribe headers in your emails
- 05Submit a removal request after fixing your unsubscribe process
Open the removal formhttps://www.lashback.com/support/