Hidden Warmup: Keep Warmup Emails Out of Your Real Inbox
Warmup mail moves between real inboxes to build sender reputation - normally that means dozens of unfamiliar emails landing in your own inbox every day. Hidden Warmup archives each one automatically the moment delivery is confirmed, so the reputation-building keeps running in the background without you ever seeing the clutter.
Hidden Warmup automatically archives a warmup email the instant its delivery to the inbox is confirmed - reputation and placement stats are already logged by that point, so archiving is purely cosmetic. Your inbox stays clean while warmup keeps building sender trust in the background.
How It Works
A peer mailbox in the network sends this mailbox a warmup email, same as any normal warmup cycle.
Our delivery checker detects it landed in the inbox and logs it for your reputation and placement stats.
Within seconds, the message is archived on your mailbox - via Gmail, Outlook, or IMAP, depending on provider. It never sits in the inbox.
Without Hidden Warmup vs. With Hidden Warmup
Without it, a normal warmup schedule can put five, ten, or more unfamiliar warmup emails in your inbox every day - subject lines like “Re: quick question about your workflow” or “Thanks for connecting!” mixed in with your real mail, making it hard to tell warmup traffic from messages that actually need your attention.
With Hidden Warmup on, those same messages still get delivered, still land in the inbox long enough to be confirmed, and still build reputation - but they are archived within seconds. What is left in your inbox is only the mail that actually matters.
No Credit Card Required
Warm Up Without the Inbox Clutter
Hidden Warmup archives warmup mail automatically the moment delivery is confirmed - reputation keeps building, your inbox stays clean. Start free, no credit card.
8,400+ real mailboxes · 99.2% inbox placement · 340+ companies trust it
Related Guides
Hidden Warmup FAQ
Hidden Warmup is a feature that automatically archives warmup emails the moment their delivery is confirmed, so they never sit visibly in your inbox. Warmup still runs normally in the background - sending, receiving, and building reputation - but you never have to see or manually clean up the dozens of unfamiliar warmup emails that would otherwise land in your inbox every day.