Hans Desjarlais

Hans Desjarlais

Hans Desjarlais is a seasoned tech entrepreneur with over a decade of industry experience. Faced with low open rates in his previous lifestyle software business, he dived into the complexities of email deliverability, performed rigorous testing and learned to achieve remarkable results. Now, he specializes in helping companies fix their email deliverability, avoid the spam folder and boost their email ROI.

Best Email Warmup Tools for 2025

Image for "Best Email Warmup Tools for 2025" featuring a smiling man in a suit, star ratings, and "100% Job Success on Upwork." Includes text about learning email warmup tools for cold email marketing and sender reputation repair in 2025.

Email warmup services are tools that I frequently use when helping my clients fix their email deliverability, or when setting up infrastructure for cold email marketing campaigns. They’re instrumental in establishing positive sender reputation to avoid the dreaded spam folder,…