--- title: LeadsBlue Email Deliverability Scorer emoji: ✅ colorFrom: green colorTo: green sdk: gradio sdk_version: 5.9.1 app_file: app.py pinned: false license: cc-by-4.0 tags: - B2B - sales - cold-email - lead-generation - data-tools --- # LeadsBlue Email Deliverability Scorer Honest, factor-based estimate of B2B email list deliverability (0-100) from verification, data age, jurisdiction, and industry. **Data source:** [LeadsBlue B2B Cold Email Benchmark Dataset](https://huggingface.co/datasets/emailmarketingdataset/B2B-Cold-Email-Benchmark-Dataset-2026) · DOI [10.5281/zenodo.20136256](https://zenodo.org/records/20136256) **Publisher:** LeadsBlue Research / LeadsBlue Analytics LTD — [leadsblue.com](https://leadsblue.com) **Author:** Luther Johnson ([ORCID 0009-0008-9836-1280](https://orcid.org/0009-0008-9836-1280)) **License:** CC BY 4.0 ## How it works The score starts at 50 and adjusts for email verification, data age, the destination country's regulatory friction, and the industry's typical receptiveness (from benchmark open rates). It is an estimate, not a guarantee. ## Cite > LeadsBlue Research. (2026). *B2B Cold Email Benchmark Report 2026* [Data set]. Zenodo. https://doi.org/10.5281/zenodo.20136256 Related: [Research hub](https://leadsblue-datasets.github.io/research/) · [B2B Data Index](https://b2bdataindex.com)