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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.

About

Warmup Inbox automatically raises your email sending reputation through our network of inboxes that talk to each other. The process of preparing an email address for general use or email outreach is commonly referred to as “Warming Up” an inbox, where you take a number of steps to ensure that an email address does not become deactivated, blacklisted, or automatically marked as spam when it begins to send outgoing messages to other recipients. This process is typically done with newly created email addresses but also benefits older email addresses who have been having issues with email deliverability, in that a noticeable portion of their outgoing mail is either landing in a spam folder or blocked entirely by an email server due to either being blacklisted or associated with a domain that has a poor reputation. Warming Up an email inbox essentially is recreating the way a typical person will use an email address.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Users searching for a powerful Email Warmup Tool to avoid landing in spam

Audience

Businesses looking for an email deliverability solution

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$69 per month
Unlimited emails/day
Unlimited accounts & SMTPs
Unlimited Users
Deliverability expert tailored engagement
Success Manager
Free Deliverability Audit
Free Version Not Supported
Free Trial Supported

Pricing

$19 per inbox per month
Free Version Not Supported
Free Trial Supported

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Reviews/Ratings

Overall 5.0 / 5
ease 4.7 / 5
features 4.7 / 5
design 4.7 / 5
support 5.0 / 5

Pros & Cons from Real Users

Pros

  • Over time, the platform helps improve email deliverability in a noticeable way, especially for users running cold email campaigns or outreach strategies consistently
  • Easy to use with a clean interface, saves time, and helps improve online visibility and engagement. It’s beginner-friendly and doesn’t require much technical knowledge to get started, which makes it very convenient.
  • It's reliable and runs automatically, so I don’t have to constantly check it. It also handles multiple accounts really well, even when you’re working at scale. The fact that it works across different email providers is a big plus for us. I also like having the spam score there to quickly see if everything is okay.
  • Mailwarm is an excellent email warm-up tool for improving email deliverability and sender reputation. The automated warm-up process gradually increases sending volume, helping emails land in the inbox instead of spam. It supports domain and IP warm-up, integrates easily with common email providers, and is ideal for cold email outreach, SaaS, and marketing campaigns. The dashboard is clear and the setup is fast, even for non-technical users.

Cons

  • The platform offers limited advanced customization options, which may not satisfy experienced users looking for more control over the warm-up process
  • Some advanced features are limited, and there is room for improvement in speed and overall performance during heavy use.
  • So far it’s been doing what we need, no complaints.
  • Advanced users may want more granular reporting on inbox placement and spam signals, but the core email warm-up functionality works very well. I told to the support they said that they will launch spam score feature in the coming weeks.

Pros & Cons from Real Users

Pros

  • Easy to use and effective in warming up email accounts. We use a few different emails and they all work better with Warmup Inbox.
  • -Improved Email Deliverability -Automations -Provides detailed analytics -Great customer support -User-friendly
  • WarmupInbox really improved my domain reputation with several ESP. I tested with several custom ramp-up frequencies and the independent tools I use to monitor my domain health showed improvements.

Cons

  • Cost can get high if you use multiple Pro accounts.
  • -Occasional bugs: Even though the filter has been setup, sometimes the warmup emails still go straight to our inbox
  • First time setup wasn't the most simple but once you've done it once, it's very easy to use.

Training

Documentation Supported
Webinars Supported
Live Online Supported
In Person Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Mailwarm
Founded: 2020
France
www.mailwarm.com

Company Information

Warmup Inbox
www.warmupinbox.com

Alternatives

Alternatives

LiftInbox

LiftInbox

Unique Technologies
LiftInbox

LiftInbox

Unique Technologies

Categories

Email Warmup Supported

Categories

Email Warmup Supported

Email Deliverability Features

Deliverability Alerts Supported
Deliverability Reporting Supported
DMARC Analytics Supported
Email Address Verification Not Supported
Email Content Testing Supported
Email Previewing Not Supported
Inbox Placement Testing Supported
IP Blacklist Monitoring Not Supported
Reputation Reporting Not Supported

Integrations

Amazon SES Supported
Gmail Supported
Google Workspace Supported
Mailgun Supported
Microsoft 365 Supported
Microsoft Outlook Supported
SendGrid Supported
Yahoo! Mail Supported
Zoho Mail Supported
AOL Mail Supported
SMTP Provider Not Supported
SendPost Not Supported

Integrations

Amazon SES Supported
Gmail Supported
Google Workspace Supported
Mailgun Supported
Microsoft 365 Supported
Microsoft Outlook Supported
SendGrid Supported
Yahoo! Mail Supported
Zoho Mail Supported
AOL Mail Not Supported
SMTP Provider Supported
SendPost Supported
Claim Mailwarm and update features and information
Claim Mailwarm and update features and information
Claim Warmup Inbox and update features and information
Claim Warmup Inbox and update features and information