Cold email infrastructure that warms inboxes and sends at scale without landing in spam.
Instantly.ai runs unlimited warm-up across thousands of inboxes, spins up reply-detection sequences, and ships personalized cold campaigns at volume — the backbone of modern outbound. In 2026 it's the default for agencies and founders doing cold email.
Who it's for: Agencies, founders, and SDRs running outbound at scale who need deliverability.
Auto-warms unlimited mailboxes to dodge spam.
Scale campaigns without per-email fees.
Merge fields and AI spins per recipient.
Stops sequences on real replies automatically.
The cold-email engine of choice for serious outbound. Pair with a solid list source and you'll out-send manual outreach 100x. For simpler needs, Lemlist is friendlier.