Warm-up your cold email inbox.
And never land in spam anymore.
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Already trusted by +5,000 companies 📬
Warm-up your inbox from any email service provider.
51% of emails sent are landing in spam.
What about your emails?
Without email warm-up.
Running cold emailing campaigns for sales or marketing needs without warm-up can be risky for your sender reputation & your deliverability
Thanks to email warm-up.
Send cold email campaigns that don't land in spam. Let your emails reach the inbox, get more leads and generate more sales!
Warmbox sends automatically emails from your inbox & interact with them, as perfect leads would do, to increase your email deliverability.
1. Connect your inbox in 2min & start your warm-up ⏱
Connect your inbox from any email provider (Gmail - GSuite OAuth, Outlook 365, Yahoo Mail, Amazon SES, SMTP, etc.) in few seconds. No technicals skills required: fast & easy to set-up!
2. We interact automatically, as humans, with your emails
Warmbox will send everyday realistic emails from your inbox (GPT-4), remove these emails from the spam folder, open & bookmark these emails, reply to a part of these emails and generate positive interactions with your inbox to raise your email sending reputation.
3. +35,000 inboxes ready to raise your email reputation
Get benefit of a +35,000 private inboxes network composed of a mix of the most important email service providers
to increase globally your email deliverability & raise your email reputation.
4. Monitor your new great deliverability results with detailed reports 🎉
Get detailed analytics & monitor your inbox reputation. After few days, you will see first results appears: your cold emails will not land in spam anymore & reach your target inboxes! Enjoy more sales and keep warming.
The most advanced & efficient solution to warm-up your inbox safely.
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Warmbox helped them to increase their email deliverability 🎉
The best tool around. Period.
“Warmbox is a must-have! The warm-up options are fully customizable and the UX makes it super easy-to-use! We earned +70% of deliverability"
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I fixed ALL my deliverability issues! Anyone who send emails should have a look.
“Warmbox saved our cold email campaigns and increased our reach! Within a month, we went from spam to inbox! The team's advice for the set up was very valuable too"
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Fantastic… and efficient!
“All sales joining us have their email address warmed up with Warmbox within few weeks, ensuring high open rates of cold emailing campaigns. Keep going!"
Highly recommended to avoid landing the Spam folder!
Email deliverability is no longer a black box. We have been able to identify why our emails were not delivered and how to fix our deliverability issues.
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Start to increase your email deliverability with any inbox
