AI Email Inbox Warmer Tool
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What is Warmbox and what does it do?
Warmbox is a warm-up tool designed to raise your inbox reputation and increase email deliverability. It warms up your inbox by automatically sending realistic emails from your own inbox, interacting with them (opening, bookmarking, replying), and removing them from spam to help your emails land in the inbox. It leverages a network of +35,000 private inboxes to boost deliverability across major providers, so your cold emails reach leads, generate more responses, and drive more sales. You can connect your inbox from providers like Gmail, Outlook, Yahoo, and more in minutes, with no technical skills required. Detailed analytics help you monitor your inbox reputation and see results after a few days.
How does Warmbox work?
- Connect your inbox in about 2 minutes from providers such as Gmail (GSuite OAuth), Outlook 365, Yahoo Mail, AOL, and more.
- Warmbox automatically sends everyday realistic emails from your inbox (GPT-4) and performs human-like interactions—opening, bookmarking, replying—to move messages out of spam and build your sending reputation.
- Access a private inboxes network of +35,000 to boost global deliverability and reputation.
- Monitor your deliverability with detailed reports; after a few days you should see improvements and your emails reaching target inboxes.
How do I start using Warmbox?
Connect your inbox in seconds (about 2 minutes) with any supported provider (Gmail, Outlook, Yahoo, etc.)—no technical skills required. You can book a demo or start onboarding via Warmbox. Once your inbox is connected, Warmbox will begin warming up automatically and you’ll receive detailed analytics to track improvements in deliverability and reputation.
Which inbox providers are supported?
Warmbox supports warming up from a wide range of inboxes, including:
- Gmail - Gsuite inbox (OAuth)
- Outlook - Microsoft 365
- Yahoo Inbox
- iCloud Inbox
- AOL - Verzizon Inbox
- Yandex Inbox
- Zoho Inbox
- Sendgrid Inbox
- Sendinblue Inbox
- Mailgun Inbox
- Amazon SES Inbox
- Any other Inbox (SMTP)
What are the key features of Warmbox?
- Multi-account for agencies
- Plug & play setup
- Multiple warm-up options (Growth, Flat, Random)
- Dashboard & monitoring
- Email warm-up
- Automated interactions (GPT-4 & Hybrid)
- Auto-Remove from Spam
- Auto-Reply to emails
- Mark as favorite emails
- Spam score monitoring
- Private inboxes network
- Fully custom warm-up
- Warm-up Schedule
- Live Email Checker (DNS, Blacklist)
- Inbox integrations
- Help Center
- Product updates
- Blog resources
- Affiliate program
- Securised payment
- In-app onboarding
- Third-party app Password
Can I warm up multiple inboxes and work with a team?
Yes. Warmbox offers multi-account support for agencies and teams, with capabilities for multiple inboxes, team members, in-app onboarding, and third-party app passwords to streamline collaboration.
How can I monitor deliverability and track results?
Warmbox provides detailed analytics and a dashboard to monitor your inbox reputation and deliverability. After a short period, you’ll likely see your cold emails landing in the inbox more reliably, with ongoing visibility into performance.
How much does Warmbox cost and how do I pay?
Pricing information is available on the Pricing page. Warmbox supports secure payments.
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