AUTHOR
Nikita Stoletov
CTO, MailDeck · Outbound Infrastructure & Deliverability EngineeringCTO 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.
LinkedInPosts by Nikita
How to recover a burned cold email domainTo recover a burned cold email domain, stop sending, check blocklists and Postmaster Tools, fix the root cause and ramp slowly, or retire the domain.
Why cold email lands in Outlook junk (and how to fix it)Cold email lands in Outlook junk because of failed authentication, bulk-style signals and tenant filters. Fix DMARC alignment, links, volume and test placement.
Email warm-up for cold email: what it does, and why yours isn't workingEmail warm-up builds sending history for new inboxes, but can't fix bad lists, broken auth or spammy copy. Warm-up times by inbox type, and what to check first.
Gmail, Yahoo and Microsoft bulk sender rules: what cold emailers must do in 2026Gmail, Yahoo and Microsoft require bulk senders to use SPF, DKIM, aligned DMARC, one-click unsubscribe and keep spam under 0.3%. What cold email must do.
How to set up SPF, DKIM and DMARC for cold emailSet up SPF, DKIM and DMARC for cold email with one SPF record under 10 lookups, 2048-bit DKIM, and DMARC at p=none with reports before quarantine.