Warmy vs. Mailwarmer: A Comparison of Email Warm-Up Tools
Email warm-up tools are essential for increasing email deliverability and maintaining a good sender reputation. Both Warmy and Mailwarmer offer solutions to help businesses achieve these goals. In this comparison, we'll explore the features and benefits of each tool to help you decide which one might be best for your email marketing needs.
Overview
Warmy

Warmy is designed to improve your email deliverability by interacting with real people in various languages about any topic. This tool helps to get your emails out of the spam folder and into the inbox, ensuring that they are opened, marked as important, and replied to. Everything is automated, making the process seamless for the user.
- Offers a 7-day free trial with no credit card required.
- Uses real people and mailboxes, avoiding fake accounts.
- Allows for topic-specific email warm-ups.
- Supports more than 30 languages for email interactions.
- Provides a dashboard for monitoring and alerts.
Mailwarmer

Mailwarmer focuses on improving email deliverability by sending emails to over 5,000 email accounts at a frequency optimized for your specific needs. The tool helps raise your email, domain, and IP reputations by marking emails as non-spam, opening them, starring them, and replying to them. This activity is designed to keep your emails away from the spam folder.
- Offers different plans based on email volume and account activity.
- Includes team collaboration features with multiple seats.
- Provides volume licensing options for enterprises.
- Allows for customizable reply ratios to maintain a natural email flow.
- Automatically organizes Mailwarmer emails into dedicated folders to keep your inbox clean.
Artra.ai (Alternative Option)

Artra.ai is the most advanced deliverability platform on the market. The tool features real-time monitoring across all major internet blacklists. Additionally, the tool performs routine checks on your DNS settings to make sure your sending infrastrucute is working properly. Artra also focuses on improving email deliverability by sending emails to over 1,000+ private, secure, and legitimate email accounts at regular intervals and has an AI internal system to open, click, view, and reply to your content dozens of times to demonstrate to email service providers that your email is important. The tool helps raise your email, domain, and IP reputations by marking emails as non-spam, opening them, starring them, and replying to them. This activity is designed to keep your emails away from the spam folder.
- Real-time blacklist monitoring
- Automate up to 50 warmer messages daily
- System performs up to 2,500 clicks, opens, views, and replies to messages each month.
- Monitors and records undeliverable messages
- Email list verification
- Automated DNS record checking
- Spam Message Analyzer
Key Features Comparison
Feature | Warmy | Mailwarmer | Artra |
---|---|---|---|
Trial Option | 7-day free trial | No specific trial mentioned | 14-day free trial & 30 Day Satisfaction Guarantee |
Real People Interaction | Yes, with real mailboxes and no fake accounts | No, interacts within internal network | Yes, 1,000+ real, paid accounts |
Topic-Specific Emails | Yes, based on user-selected topics | No, uses generic email content optimized for deliverability | Yes, customizable messaging template |
Customizable Plans | Not specified, but offers flexibility in interaction | Yes, with plans based on email volume and activity | Yes, with plans based on email volume and team size |
Dashboard and Alerts | Yes, with real-time monitoring | Yes, with basic account monitoring features | Yes, with real-time monitoring of blacklists, DNS checks and data leaks |
Email Health Checks | Yes, checks SPF, DKIM, DMARC, and blacklists | No specific health check feature mentioned | Yes, checks SPF, DKIM, DMARC, blacklists + data leaks and deliverability ratios |
Pricing | $49-$429 per user | $69-$479 | $39 |
Pros and Cons
Warmy Pros
- Interacts with real people, enhancing authenticity.
- Supports a wide range of languages, making it suitable for global campaigns.
- Provides specific topic warm-ups, aligning with the sender's industry.
- Offers detailed email health checks.
Warmy Cons
- No detailed information on customizable plans or pricing structure.
Mailwarmer Pros
- Offers structured plans based on email volume and account needs.
- Allows multiple accounts with different seat options.
- Includes features to keep the inbox organized with auto-generated content filters.
Mailwarmer Cons
- Does not use real people, which may limit the perceived authenticity.
- No support for multiple languages or specific topics for warm-up.
Artra Pros
- Robust platforms with advanced features to get out of spam faster
- Uses real, paid email accounts for email warming
- Provides real-time blacklist monitoring
- 14-day trial period w/ fast support
Artra Cons
- Occassionally, places new users on wait list to sign up
- No support outside of North America and Europe
Conclusion
Both Warmy and Mailwarmer offer valuable tools for improving email deliverability and maintaining a strong sender reputation. Warmy may be the better choice for businesses looking for interactions with real people, topic-specific warm-ups, and support for multiple languages. On the other hand, Mailwarmer is more suited for those who need structured plans based on email volume and prefer to automate their warm-up process across multiple accounts with organizational features. Artra may be the best option for business looking to quickly get out of spam and improve their email reputation at a reasonable price point.
Overall, Artra offers the most robust feature set at a better price for both teams and individual users.