Nikita Bykadarov runs Maildoso, the email infrastructure his team built so outbound sellers stop losing weeks to setup. He started the company in 2023 and works from Montevideo, Uruguay.

The problem he kept hitting was boring but expensive. Before you send a single cold email, someone has to buy domains, create mailboxes, warm them up, and get SPF, DKIM and DMARC right. Maildoso does that part: domains and mailboxes in bulk, authentication set up for you, IPs rotating across its own SMTP servers, and every reply landing in one inbox. More than 6,000 teams use it, and it sends over 2 million cold emails a day.

Nikita came to email from the data side. He spent six years in analytics at OMD, ran martech as Chief MarTech Officer at Artics, then led demand generation and martech at Improvado. That's why he treats deliverability as something you measure and fix, not something you pray about.

He writes about what the numbers actually show: why messages hit spam, how warm-up really works, when rotating shared IPs beat dedicated ones, which domain extensions survive cold outreach, and what changed in 2026. He makes the same arguments as a regular guest on B2B sales and SaaS podcasts.

He writes from that operational vantage point: the real reasons messages land in spam, how warm-up works, why Maildoso runs shared IPs with heavy rotation instead of dedicated IPs, which domain zones (TLDs) hold up for cold email, and what actually moves deliverability in 2026. Nikita is also a frequent guest on B2B sales and SaaS podcasts covering deliverability and outbound.