Nikita Stoletov
CTO designing cold email infrastructure and outbound systems at scale. Built and managed infrastructure delivering over 50M emails monthly across 1,200+ domains with 98% inbox placement.
Articles by Nikita
B2B Contact Data Accuracy: How to Measure It and Why Most Lists Fail [2026]
B2B contact data accuracy is the share of records that are deliverable, complete, and current against a verifiable ground truth. Across a 37,040-contact file, 99.98% had a valid MX record and only 0.55% hard-bounced. Here is the audit you can run and the benchmarks to score it against.
How to Clean a B2B Email List (Without Killing Your Deliverability) [2026]
A measured, step-by-step playbook for cleaning a B2B email list. Backed by first-party ground truth from a 37,040-contact sample where 99.98% had a valid MX record and only 0.55% hard-bounced when mailed.
How to Improve Cold Email Deliverability (Data-Grade List Hygiene)
Most cold email deliverability problems start in the list itself, before the sequencer ever runs. In a 37,040-contact outbound sample, 99.98% of addresses had a valid MX record and only 0.55% hard-bounced when mailed. Here is the data-layer workflow that produces those numbers.