Make sure your emails land in the inbox with email warmup

Double your open rates with email warm-up that simulates real human engagement — starting at $9.99/month.

Mailmeteor 5 stars ratings Rated 4.9/5 out of 10,000+ reviews

Improve your reputation in three simple steps:

Add your email account
step 1

Add your email account

Add your Gmail account in a couple of clicks, to start warming up with our trusted networks of 35,000+ inboxes. All interactions happen automatically and you can see sent emails from your inbox.

Mailmeteor calculates the best way to warm up your email
step 2

Mailmeteor calculates the best way to warm up your email

Mailmeteor automatically figures out the best way to warm up your inbox. You dont have to choose settings or worry about configurations, just toggle it on and well take care of the rest.

step 3

Watch your email reputation grow

Track your email reputation in our Dashboard. Keep an eye out for deliverability issues and fix them before they become a problem.

Watch your email reputation grow

Mailmeteor doesn't just gradually send more emails. We simulate real conversations

There was a time when slowly increasing your email volume was enough to build a sender reputation.

But spam filters have evolved. Today, providers like Gmail and Outlook look for human-like engagement (i.e. replies, conversations, and natural behavior over time).

Using AI, Mailmeteor simulates ongoing email conversations between your inbox and a network of 35,000 trusted accounts to build a bulletproof email reputation.

Pricing

A small price to pay for more eyes on your emails

You can write the best emails in the world, but if they land in spam, none of it matters. If you're serious about email marketing, let Mailmeteor do the heavy lifting for you.

Mailmeteor Pro (All in one)

Full-featured outreach platform with warm-up built-in.

$24.99/month

  • 1 warm-up inbox included
  • 45,000 emails per month
  • Email verification
  • Follow-ups, Tracking
  • Send with Autopilot
  • Schedule send, attach files & more!
View all features →

Warm up only

Perfect for warming up your inboxes and get started with cold emails.

$9.99/month

  • Network of 35,000 trusted inboxes
  • Simulates real human activity
  • Built-in engagement (replies, activity)
  • Real-time email reputation

The Mailmeteor Pro plan includes 1 warm-up inbox at no extra cost, along with everything you need to send, track, and scale your campaigns. Need more warm-up inboxes? Add as many as you like for just $9.99/month per inbox.

Mailmeteor doesn't just gradually send more emails. We simulate real conversations

Forget using one tool to warm up your emails and another to send your campaigns. Mailmeteor has everything you need to send personalized email campaigns.

  • Personalize templates with variables like recipient first name
  • Syncs with your CRM to log email activity
  • Dedicated Google Sheets, Excel, and Gmail extension
  • Loved by 6 million email marketers worldwide
outlook-icon
Recommended for Google Workspace in 2022 and 2023

Recommended by Google
to enhance the Gmail experience

Each year Google recommends a shortlist of 16 apps that enhance the Google Workspace experience. Mailmeteor has come out on top each year since 2022.

  • Meets Google’s strict security requirement
  • Loved by thousands of Google Workspace customers

Join 6 million professionals

Companies & organizations from all over the world trust Mailmeteor. Read all reviews.

Rated 4.8 out of 5 on Capterra for Email Marketing Software Product of the Day on Product Hunt Product of the Week on Product Hunt

One of the best email marketing tools to send personalized emails to a maximum number of contacts in a given time. I love that I can customize each email with specific details, and the real-time tracking and follow-up features have been incredibly useful.

5-stars

Google Workspace Marketplace

This truly is an AWESOME product for anyone who lives in the Google Suite like I do. It really helps keep small prospecting or 1-off group emailing efforts super organized and efficient. Mailmeteor is the PERFECT additional tool in the toolbox to shoot out any short-term or batch type of email outreach.

5-stars

AppSumo

I have been using this for 3+ years, and it's easy, inexpensive, and very effective. I recommend it regularly to colleagues who want to send personalized mass mailings.

5-stars

Capterra - Sept. 10, 2024

A cut above the rest of the Gmail mail merge add-ons available. Super easy to use and a generous free plan. Plus, importantly, it doesn't request permission to read my emails.

5-stars

Google Workspace Marketplace

Frequently Asked Questions

Have questions about Mailmeteor's Email Warm-up feature? Find answers to common queries below.

Email warm-up is essential to improve your deliverability and avoid landing in spam. By gradually increasing email activity and simulating real conversations, Mailmeteor helps your domain build a strong sender reputation.

With warm-up, you get:

  • Better inbox placement
  • Fewer bounced or rejected emails
  • Improved domain reputation over time

Our technology simulates real human behavior. We:

  • Send emails automatically in the background
  • Exchange replies with other warm-up inboxes
  • Mark your messages as “not spam”

This creates natural interactions and gradually boosts your domain’s reputation.

We recommend keeping the warm-up process active for at least 4–6 weeks, especially for new domains. You can track your progress in the reputation dashboard and stop once your score is consistently high.

Your email reputation score (out of 100) reflects how trustworthy your domain is. It’s based on factors like:

  • Reply rate
  • Spam complaints
  • Domain and technical configuration (SPF, DKIM, etc.)

A higher score means better deliverability.

Mailmeteor checks your configuration for:

  • Invalid email formats
  • Domain blacklist status
  • SPF and DKIM records
  • Other common email issues

Each check is color-coded to help you fix problems fast.

Absolutely. You can manage multiple inboxes from the same dashboard. Each address has its own status (e.g. “Healthy”, “Warming-up”, “Action required”).

Once your reputation is high and stable, you can:

  • Stop the warm-up safely
  • Start sending cold outreach or campaigns confidently using Mailmeteor
  • Continue monitoring diagnostics for best results

Yes, Mailmeteor sends warm-up emails directly from your inbox. You’ll find these emails in your Sent folder, and the replies will appear in your Inbox. To help you identify them easily, look for messages with “wbx” in the subject line.

Yes, you can pause or stop the warm-up at any time from the dashboard. However, for optimal results, we suggest waiting until your score is above 80.

Email warm-up is available as an add-on or at no extra cost in the Mailmeteor Pro plans. Visit our pricing page to compare plans and features.