Warmy vs competitors

1M+ real mailboxes - The largest warm-up network — genuine Workspace, Microsoft 365 and consumer inboxes.

A dedicated success manager - A named expert who owns your placement outcomes, not a ticket queue.

24/7 support, VIP channels - Real people any hour, in your own Slack, WhatsApp or Teams channel.

120+ deliverability specialists - The largest team in the category, dedicated to inbox placement.

An in-house research team - Continuous experiments on how Gmail, Outlook and Yahoo filter this month.

Recognised experts - Specialists who advise on sender reputation daily — not generalists.

Adeline AI co-pilot - Reads your tests, DNS and warm-up data, then tells you what to fix next.

The infrastructure behind other tools - Outreach platforms and ESPs run their warm-up on our API.

One loop: test, warm, fix - Placement tests, warm-up, monitoring and fixes in a single platform.

500K+ US seed accounts - Real inboxes across major, corporate and regional providers — mobile included.

Monthly seed rotation - Aging mailboxes retire automatically, so your data comes from live inboxes.

Automation built in - n8n, Zapier, Make and a documented API — no CSVs, no manual seed files.

Email verification - Clean lists before you send, so bounces never cost you reputation.

DMARC tracker - SPF, DKIM and DMARC monitoring with the exact record to change.

Deliverability tester - Instant placement, authentication and blacklist check for any sender.

Templates AI optimizer - Your campaign scored and rewritten for the inbox before you send.

Reputation tracker - Domain and IP reputation with blacklist alerts the moment a signal drops.

Google Postmaster built in - Postmaster data beside your warm-up and placement results.

Working-hours warm-up - Natural business-hours sending in the recipient’s time zone.

A robust API - Every feature available over documented endpoints.