Stop Cold B2B Emails at the Source: How NotMailbox Removes You from Data Brokers
If your inbox keeps filling up with sales emails you never asked for, the real problem isn’t your inbox — it’s the data brokers feeding your details to outreach tools. NotMailbox cuts the spam at the source.
Why you get cold emails in the first place
Most cold B2B emails start with a data broker. Brokers collect and sell business contact details — names, job titles, emails, phone numbers, even company size. Sales tools then use those lists to run automated campaigns.
Unsubscribe links remove you from one sender’s list. But the moment another team buys the same broker data, the emails start again. To fix it properly, you need to remove your details from the brokers and show up on the “do not email” lists of the tools sending those messages.
What NotMailbox actually does
- Broker removals: We submit opt-out and deletion requests to data brokers on your behalf. Our goal is to remove your data (email, name, domain-linked contacts) from their databases.
- Suppression coverage: We work to place your email(s) and, where possible, your domain on suppression lists used by major email automation platforms so future sends are blocked before they start.
- Verification handling: Some brokers send verification emails. We process and track these so requests don’t stall.
- Escalation & tracking: Many brokers quote a response window (often up to 30 days). We track progress, chase non-responders, and escalate when needed.
How it works (simple view)
- Sign up and tell us the emails (and domain) you want protected.
- Connect or approve a secure inbox for verification handling (optional but recommended) so we can confirm broker requests when they email you.
- We submit removals to brokers and push for suppression in sending platforms.
- We track & update progress and escalate if a broker drags their feet.
What to expect
- Early wins: Some removals and suppressions take effect quickly and you’ll notice less cold outreach.
- Full coverage: Because brokers and tools vary, complete coverage takes time. Many quote up to 30 days for requests. We keep pushing until it’s done.
- Staying protected: New brokers appear over time. We maintain a living list and re-run removals and suppressions so you remain protected.
Why this beats endless unsubscribes
- Root-cause fix: Remove your data where the lists begin, not just from each sender.
- Scales better: One process covers many senders and tools.
- Lower inbox noise: Fewer interruptions for you and your team.
What we need from you
- The email addresses (and optional domain) you want removed/suppressed.
- A quick authorization so we can act on your behalf.
- Optional: access to a dedicated inbox (e.g.,
remove@yourdomain) so we can handle broker verification emails efficiently.
FAQs
Will I still get some cold emails?
Possibly — no solution can control every sender instantly. But by removing your data from brokers and adding suppression coverage across sending tools, the volume should drop sharply and keep trending down.
How long does it take?
Time varies by broker and platform. Some act fast; others take longer (many quote up to 30 days). We track, chase, and escalate until requests are completed.
Is this compliant?
We request removals and suppressions using the brokers’ and platforms’ stated processes. We don’t give legal advice; if you need legal guidance, please consult your counsel.
Ready to reduce cold outreach?
Protect your inbox, your team’s focus, and your time by removing your details at the source.