Why ESP Migration Is One of the Riskiest Moves in Email Operations Switching your email service provider sounds straightforward on paper. You export your lists, configure your DNS records, and start sending from a new platform. In practice, high-volume senders regularly lose 20 to 40 percent of their deliverability gains during migrations gone wrong. Having […]

Qué aprenderás en este artículo Los tres tipos de viaje del cliente que todo programa de email debe cubrir, y por qué la mayoría solo cubre uno Por qué la reactivación funciona diferente del engagement, y qué significa “novedad” en la práctica La única métrica que te dice si tu base de datos activa crece […]

What you will take away from this The three customer journey types every email program must serve, and why most programs only serve one Why reactivation works differently from engagement, and what “novelty” actually means in practice The single metric that tells you if your active database is growing or quietly shrinking Why reply rate […]

Most Mautic implementations fail before the first campaign sends. They fail during infrastructure planning, when someone assumes “open-source” means “simple.” This Mautic implementation guide exists because we watched teams repeat the same structural mistakes across industries, geographies, and volume tiers. Fifty deployments later, the patterns are clear. The platform is capable. The problem is almost […]

Senders pushing 500M+ emails monthly lose between 18% and 32% of their infrastructure budget to MTA licensing alone. KumoMTA configuration email setups eliminate that line item entirely because the MTA is open-source, Lua-scriptable, and built for the kind of volume where commercial per-message pricing becomes absurd. The tradeoff: you own every policy decision, every queue […]

When you route all your volume through a single MTA, you are one vendor outage away from zero sends. I have watched a client lose 72 hours of transactional email because their sole provider had an infrastructure incident and offered nothing but a status page. That experience rewired how I think about multi-MTA email routing, […]