As part of a successful B2B email marketing strategy, one of the key elements to ensure optimal deliverability is to properly prepare email addresses before launching a campaign.
warmup tools come in , whose function is to improve the reputation of email addresses by simulating regular exchanges before the start of mass mailings.
By combining these tools with the power of Magileads for data segmentation and enrichment, and the flexibility of Zapier for automation, you can implement an effective and reliable email marketing strategy.
This article will explore the most effective warmup tools, how they work, and how to integrate them with Magileads via Zapier to maximize your results.
1. Lemwarm: The warmup solution by Lemlist
Lemwarm, developed by Lemlist , is one of the most popular tools for warming up your email addresses. It works by sending automated emails between different mailboxes, simulating normal conversations. This regular activity improves your domain's reputation, which is essential for ensuring your emails land in inboxes and not spam folders.
Advantages of Lemwarm:
- Simulation of real exchanges : Lemwarm sends and replies to emails, just like a real user would, to create a natural interaction.
- Protection against spam filters : By increasing your reputation score, you prevent your emails from being blocked or classified as spam.
Integration with Magileads via Zapier:
With Zapier, you can automate the transfer of new email addresses from Magileads directly to Lemwarm. Once the emails are integrated, Lemwarm automatically starts the warmup process.
Example scenario:
- Trigger : When a new contact is added to a list on Magileads.
- Action : Zapier sends the email address to Lemwarm so she can start her warm-up.
2. Warmbox.ai: An address network for improved deliverability
Warmbox.ai is another powerful tool that warms up your emails by sending them between different email addresses in its network. Each email sent is treated as a genuine conversation, with replies and interactions, which strengthens your domain's reputation.
Advantages of Warmbox.ai:
- Complete automation : The process is fully automated, allowing you to focus your efforts on the email campaign itself.
- Real-time analytics : Warmbox.ai provides detailed reports on the state of your email reputation.
Integration with Magileads via Zapier:
By connecting Magileads to Warmbox.ai via Zapier, you can configure workflows where every new email address created or enriched on Magileads is automatically submitted to warmup on Warmbox.ai.
Example scenario:
- Trigger : A new prospect is enriched on Magileads.
- Action : Zapier sends it to Warmbox.ai to start the warmup.
READ ALSO: How to use Zapier to synchronize your members or events in Magileads?

3. Mailwarm: Simulating natural exchanges to make your emails more credible
Mailwarm is a tool designed to help your emails bypass spam filters by creating natural exchanges between different accounts. Thanks to its approach based on real conversations, Mailwarm is ideal for warming up emails used in cold emailing campaigns.
Advantages of Mailwarm:
- User network : Sending emails to real users, who respond naturally, strengthening engagement.
- Continuous improvement : The longer the warmup, the more your reputation score improves, which is perfect for new campaigns.
Integration with Magileads via Zapier:
With Zapier integration, you can automate the sending of new email addresses from Magileads to Mailwarm so they are ready before the launch of your campaigns.
Example scenario:
- Trigger : A campaign is created on Magileads.
- Action : Zapier automatically sends emails to Mailwarm for warm-up.
↗️ Discover in video how to synchronize your Zapier account with Magileads to automate your processes:
4. Warmup Inbox: Avoid spam thanks to an improved reputation
Warmup Inbox works on the same principle as other tools, sending emails between inboxes to improve your sender reputation. What sets it apart is the customization of warmup activity to suit your needs and the analytics tools it provides.
Advantages of Warmup Inbox:
- Customization : You can adjust the intensity and frequency of the messages to meet your needs.
- Dashboard : Detailed monitoring of your email reputation.
Integration with Magileads via Zapier:
With Zapier, it is possible to directly link enriched contacts on Magileads to Warmup Inbox for automatic warmup processing.
Example scenario:
- Trigger : A lead is segmented in Magileads.
- Action : Zapier sends new emails to Warmup Inbox.
5. Woodpecker Warm-Up: Protection against spam filters
Woodpecker also offers a warmup service to prevent spam problems. This service can be used to protect your domain's reputation by generating organic activity around your email addresses.
Benefits of Woodpecker Warm-Up:
- Intelligent simulation : Woodpecker mimics human behavior by responding to emails intelligently.
- Optimized for cold emailing : Perfect for prospecting campaigns .
Integration with Magileads via Zapier:
Zapier allows Magileads to be synchronized with Woodpecker so that each new campaign benefits from email addresses ready thanks to warmup.
Example scenario:
- Trigger : A cold emailing campaign is ready on Magileads.
- Action : Zapier sends emails to Woodpecker for warming.
6. Folderly: Complete analysis of your email reputation
Folderly offers a warmup service, as well as a detailed analysis of your domain and email reputation. In addition to warmup, it helps you fix any issues that could negatively impact your email deliverability.
Advantages of Folderly:
- Comprehensive diagnosis : Analysis of all aspects of deliverability.
- Long-lasting protection : A continuous warmup to build reputation over time.
Integration with Magileads via Zapier:
With Folderly, you can set up a Zapier integration so that each new enriched email address on Magileads is automatically subjected to analysis and warmup.
Example scenario:
- Trigger : A new contact is added on Magileads.
- Action : Zapier sends the email to Folderly for warmup and diagnosis.
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