What is Warmbox?
Cold email inboxes warmed up to stay out of spam.
Who is Warmbox best for?
Warmbox is best for sales and marketing teams that send cold email and need new or flagged inboxes to build sender reputation.
Cold email senders
It sends and replies to realistic emails from your inbox every day, so a new address builds a sending history before outreach starts.
Inboxes already landing in spam
Warm-up emails that hit spam are moved back to the inbox and marked important, and the dashboard tracks the spam score as it recovers.
Agencies running several clients
Multi-account support and up to 6 inboxes and 6 team members on Growth let one team warm up addresses across clients.
Teams on mixed email providers
It connects Gmail, Microsoft 365, Yahoo, Zoho, Amazon SES, Mailgun and any SMTP inbox, so one tool covers every sending address.
How much does Warmbox cost?
Warmbox costs $19 a month for one inbox on Solo, $79 for three on Start-up or $159 for six on Growth, or from $15 a month billed yearly, with custom plans for bigger senders.
- 1 inbox warmed up
- 50 warm-up emails a day
- 1 team member, premium support
- 3 inboxes warmed up
- 250 warm-up emails a day
- 3 team members, premium support
- 6 inboxes warmed up
- 500 warm-up emails a day
- 6 team members, enterprise support
Billed yearly, Solo is $15, Start-up $69 and Growth $139 a month. A Team plan for more inboxes or higher volumes is priced on request through the chat. Every plan gets the same warm-up features; plans differ only in inboxes, daily emails, seats and support. Full pricing on warmbox.ai. We checked these prices on .
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What are the best Warmbox alternatives?
One tool on Recaply does Warmbox's job.
Questions about Warmbox
What is Warmbox?
Cold email inboxes warmed up to stay out of spam.
Who is Warmbox for?
Warmbox is best for sales and marketing teams that send cold email and need new or flagged inboxes to build sender reputation.
Is Warmbox free?
No. Warmbox's own pages list no free plan or free trial, and the cheapest plan is Solo at $19 a month for one inbox. The only free part is its IP blacklist and DNS settings checker, which tests your sending setup.
How much does Warmbox cost?
Warmbox's paid plans are Solo at $19 per month, Start-up at $79 per month and Growth at $159 per month.
What are the best Warmbox alternatives?
The closest alternatives on Recaply are Folderly.
Where can I try Warmbox?
On its official website, warmbox.ai.
How long does Warmbox take to warm up an inbox?
Warmbox says most inboxes show first results after 15 to 30 days of warm-up without a break. It also advises keeping warm-up running while you send cold campaigns, so the inbox keeps a steady flow of positive interactions.
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