Seven disciplines, one watchful instrument.
Mailnurse is one product that covers the seven ways cold-email programs quietly fail. Each discipline can be adopted alone; together they replace the playbook that lives in your head.
Seven ways cold email breaks. Mailnurse watches and fixes every one.
Each feature targets a specific reason emails stop reaching the inbox. Together, they keep your whole setup healthy.
Health monitoring
Constant inbox-placement tests, blacklist checks, and warmup vitals, rolled into one health score per account, so you see trouble coming before it hurts.
Learn more 02Auto-rotate domains
When a domain burns out, Mailnurse replaces it end to end and starts warmup. The ten-hour job, done for you while you sleep.
Learn more 03Auto-pause spam
When bounces climb, a blacklist hits, or placement drops, Mailnurse pauses the account before the damage spreads. Eight built-in rules decide when to act.
Learn more 04Auto-replace mailbox
When a single mailbox burns out, Mailnurse retires it and drops in a ready-made persona, with name, photo, and identity, from a pre-warmed pool.
Learn more 05AI copywriter
When a sequence stops landing, Mailnurse writes a fresh one: full multi-step copy, spam-checked against 360+ triggers, and ready to push to Instantly.
Learn more 06Auto-placement
Mailnurse runs proven warmup schedules, adjusts send volume to engagement, and re-tests placement every night, so your inbox rate stays high on its own.
Learn more 07Multi-tenant fleet
One dashboard for 200+ accounts across 12 clients. Every client kept fully separate, with agency-grade roll-up reporting and a white-label option.
Learn moreCare, expressed as precision.
Cold-email infrastructure that watches itself, so you can focus on your campaigns instead of babysitting inboxes.
14-day free trial · No credit card · Instant setup