Related Products
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About
Mailwarm : Automated Email Warmup & Deliverability Software
Mailwarm is a cloud-based email warmup and deliverability platform designed to help businesses improve inbox placement and reduce spam filtering risks. Since 2020, Mailwarm has supported startups, sales teams, recruiters, agencies, and outbound marketers that rely on cold email and domain reputation management for growth.
The platform strengthens sender reputation by generating consistent, natural engagement signals across multiple mailbox providers. Instead of relying on shortcuts, Mailwarm builds long-term trust with email providers through structured warmup automation.
Mailwarm supports Gmail, Outlook, Microsoft 365, Yahoo, and custom SMTP configurations, making it suitable for teams launching new domains, onboarding new sales representatives, or managing multiple client inboxes.
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About
SuperMailOS is managed business email on your own domain for small teams. You bring your domain; SuperMailOS runs the mail server and handles deliverability — SPF, DKIM, DMARC, IP reputation, and warmup — so your email lands in the inbox, not the spam folder.
Setup takes minutes: verify your domain with one-click DNS on Cloudflare, DigitalOcean, and other providers (or guided copy-paste on any registrar), invite your team, and start sending. Every person gets a real mailbox; aliases like hello@ and support@ are unlimited and free.
Webmail is as simple as Gmail — threads, instant search, keyboard shortcuts, labels, dark mode — plus IMAP and SMTP for any mail app, and a live deliverability dashboard showing your mail landing.
Flat pricing per mailbox: Pro $3/mailbox/month annually (10 GB, 3 domains), Business $5 (30 GB, unlimited domains), custom at 50+. 14-day free trial, no credit card.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Users searching for a powerful Email Warmup Tool to avoid landing in spam
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Audience
Small and medium businesses, startups, agencies, and freelancers who want professional email on their own domain without running a mail server or managing DNS and deliverability themselves.
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and VideosNo images available
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Pricing
$69 per month
Unlimited emails/day
Unlimited accounts & SMTPs Unlimited Users Deliverability expert tailored engagement Success Manager Free Deliverability Audit
Free Version
Free Trial
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Pricing
$3/month per mailbox
Free Version
Free Trial
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Reviews/
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Reviews/
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Pros & Cons from Real UsersPros
Cons
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationMailwarm
Founded: 2020
France
www.mailwarm.com
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Company InformationSuperMailOS
Founded: 2026
supermailos.com
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Alternatives |
AlternativesNo Alternatives
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Categories |
Categories |
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Integrations
AOL Mail
Amazon SES
Gmail
Google Workspace
Mailgun
Microsoft 365
Microsoft Outlook
SendGrid
Yahoo! Mail
Zoho Mail
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Integrations
AOL Mail
Amazon SES
Gmail
Google Workspace
Mailgun
Microsoft 365
Microsoft Outlook
SendGrid
Yahoo! Mail
Zoho Mail
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