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Mailwarm VS GitHub Metrics

Compare Mailwarm VS GitHub Metrics and see what are their differences

Mailwarm

Email warmup tool to avoid spam folder, since 2020 - Backed by Email Deliverability Experts

Rating
5.0 Β· 3 reviews
Pricing
Paid $69 / Monthly ("Up to 50 emails/day", "1 account (1 SMTP)", "Chat support")
Alternatives Is it good?
GitHub Metrics

Customize your profile with various plugins and metrics

Rating
0 reviews
Alternatives Is it good?
MailReach.co
The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder. sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, GitHub Metrics seems to be more popular. It has been mentioned 9 times since March 2021.

social mentions
0 vs 9
Email Marketing popularity
100% vs 0%
alternatives listed
133 vs 97

Base details

Website, pricing, platforms and company facts side by side.

Mailwarm
GitHub Metrics
Website mailwarm.com github.com
Pricing
Paid $69 / Monthly ("Up to 50 emails/day", "1 account (1 SMTP)", "Chat support") Official pricing
β€”
Platforms
GMail Outlook SMTP Zoho Web Yahoo Mail +3
β€”
Company Startup from France Β· 10 - 19 employees Β· 2020 β€”
Listed in
Email Warm Up Email Tools Email Marketing Tools Cold Outreach Cold Emailing Email Marketing Startup Marketing Marketing Tools +5
Analytics Developer Tools GitHub Project Management Error Tracking +2

About Mailwarm and GitHub Metrics

In their own words, as submitted to SaaSHub.

Mailwarm
GitHub Metrics

Mailwarm is an automated email warmup and deliverability platform designed to help businesses keep their emails out of spam folders and consistently reach the inbox. Since 2020, Mailwarm has helped founders, sales teams, marketers, and agencies improve email deliverability, build strong sender...

Read more about Mailwarm

No description of GitHub Metrics yet.

Features and specs

What each product offers, as listed by its team.

Mailwarm 8 features
GitHub Metrics 4 features
  • Automated Email Warmup
    Mailwarm automatically warms up inboxes, domains, and SMTP servers by generating natural interactions between real email accounts to build and protect sender reputation.
  • Multi-Provider Warmup
    Supports warmup across Gmail, Outlook, Microsoft 365, Yahoo, and other providers to create realistic engagement signals and improve overall inbox placement.
  • Spam Score Monitoring
    Provides a weekly spam score that shows how often your emails land in your spam versus inbox, helping you track deliverability progress with real data.
  • Bounce Prevention & Verification
    Built-in verification systems detect and deactivate invalid inboxes automatically to prevent bounces, one of the most harmful signals for email deliverability.
  • One-Click Outlook & Office365 Setup
    Connect Microsoft 365 and Outlook accounts instantly through the official Microsoft sign-in process without complex SMTP configuration.
  • Simplified SMTP Configuration
    Pre-configured SMTP settings for major providers with step-by-step guidance make it easy to connect and start warming up in minutes.
  • Deliverability Analytics
    Detailed reports help users monitor warmup progress, engagement trends, and overall email performance to understand and improve sender reputation.
  • Engagement Simulation
    Mailwarm engages with emails by marking them as important, replying, and removing them from spam, mimicking the actions of a real recipient and thereby boosting sender reputation.

Possible disadvantages

  • Cost
    Mailwarm is a premium service, which may be expensive for small businesses or individual users with limited budgets.
  • Dependency on Third-Party Tool
    Relying on an external service like Mailwarm means users don't have full control over the warming process, and there might be risks related to data privacy and service reliability.
  • Learning Curve
    Although the platform is designed to be user-friendly, new users might still face a learning curve in understanding and fully utilizing all features and analytics provided.
  • Limited Customization
    Some users may find that Mailwarm’s automation features lack the level of customization required for highly specific or complex email strategies.
  • No Instant Results
    The warming process is gradual and can take several weeks to show significant improvements in deliverability, which might not meet the needs of users looking for immediate results.
  • Comprehensive Insights
    GitHub Metrics provides detailed insights into your GitHub activities, including contributions, languages used, and project statistics, enabling a deeper understanding of your coding habits and project progress.
  • Customizable Reports
    The tool offers extensive customization options for reports, allowing users to tailor the data they see according to their specific interests or needs.
  • Visual Representation
    By providing visually appealing charts and graphs, GitHub Metrics makes it easier to interpret complex data and share your GitHub activity highlights on social media or personal websites.
  • Automation
    It automates the generation of metrics, reducing the manual effort required to track and present GitHub activity insights.

Possible disadvantages

  • Complex Setup
    Configuring GitHub Metrics can be complex for users who are not familiar with GitHub Actions or YAML formatting, potentially leading to initial setup delays.
  • Privacy Concerns
    As the tool fetches personal GitHub data, users need to consider privacy implications and decide which metrics they are comfortable sharing publicly.
  • Dependence on GitHub Actions
    Since the tool relies on GitHub Actions, any limitations or issues with GitHub Actions could impact the performance and reliability of GitHub Metrics.
  • Resource Usage
    The generation of metrics might consume GitHub Actions minutes and resources, which could be a concern for users on limited or free GitHub plans.

Analysis

An editorial look at what each product does well and who it suits.

Mailwarm
GitHub Metrics

Overall verdict

  • Mailwarm is generally considered useful for businesses and individuals looking to improve their email deliverability rates. While there are positive reviews about its effectiveness in enhancing email reputation and ensuring better deliverability, the effectiveness may vary depending on individual use cases and how well the service is integrated with existing email strategies. It is most beneficial for users who have experienced issues with emails going to spam or have recently started using new email addresses for their campaigns.

Why this product is good

  • Mailwarm is a service designed to help increase the deliverability of emails by gradually warming up email addresses, particularly those used in cold email campaigns. It automates the process by sending emails from your account to its network of participants and receiving replies, which helps to build a positive reputation for new email addresses with email service providers. This can lead to better inbox placement and reduce the chances of emails being marked as spam, especially important for businesses engaged in outreach and marketing via email.

Recommended for

  • Businesses engaged in regular cold email outreach.
  • Startups launching new email campaigns.
  • Marketers looking to improve email deliverability.
  • Individuals and companies experiencing low open rates due to spam issues.

No analysis of GitHub Metrics yet.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Mailwarm
GitHub Metrics
100% 100%
Email Marketing
0% 0%
0% 0%
Analytics
100% 100%
100% 100%
Email Warm Up
0% 0%
0% 0%
Developer Tools
100% 100%

Questions & Answers

As answered by people managing Mailwarm and GitHub Metrics.

What makes your product unique?

Mailwarm's answer

Mailwarm is an email warmup and deliverability platform built by a Y Combinator and Station F startup.

Since 2020, we’ve worked with many types of companies: SaaS startups, recruitment agencies, e-commerce brands, and sales teams; to help them improve inbox placement safely.

Mailwarm is unique because it offers: - Real multi-provider warmup (Gmail, Outlook, Microsoft 365, Yahoo)

  • Clear and real spam score tracking

  • Built-in bounce prevention

  • Easy setup and stable automation

Our focus is simple: help businesses keep emails out of spam and land in the inbox.

Why should a person choose your product over its competitors?

Mailwarm's answer

Mailwarm delivers real, measurable results instead of risky shortcuts.

Users choose Mailwarm because it provides: - Automated email warmup that protects sender reputation

  • Multi-provider engagement for realistic signals

  • Spam score to track deliverability progress

  • One-click Outlook and Office365 connection

  • Reliable campaigns with auto-recovery

It’s an easy, transparent, and professional way to improve email deliverability.

How would you describe the primary audience of your product?

Mailwarm's answer

Mailwarm is for anyone who depends on email outreach:

  • Sales teams sending cold emails

  • Founders and startups launching new domains

  • Marketing agencies

  • Recruiters and staffing firms

  • Growth and outbound teams

If inbox placement matters to your business, Mailwarm is built for you.

What's the story behind your product?

Mailwarm's answer

Mailwarm started as a real problem we faced ourselves.

We were two founders working at Station F in Paris, the largest startup incubator in Europe, trying to sell our own products. Every time we launched outreach campaigns, our emails kept landing in spam.

To solve this, we built an internal email warmup system for our personal use. After deep research into email deliverability, we created a stronger, more reliable solution.

Other startups in the incubator quickly asked to use it too; so we turned it into a real product.

After launching publicly, Mailwarm became #1 Product of the Day on ProductHunt and was accepted into Y Combinator, the world’s most prestigious startup accelerator.

Since then, Mailwarm has grown into a trusted platform used by thousands of companies to improve inbox placement and email deliverability.

Which are the primary technologies used for building your product?

Mailwarm's answer

Mailwarm is a secure cloud-based SaaS platform built on:

  • SMTP and IMAP email protocols

  • Advanced verification systems

  • Multi-provider infrastructure

  • Real-time analytics and monitoring

  • Reliable automation engines

These technologies ensure stable, continuous email warmup.

Who are some of the biggest customers of your product?

Mailwarm's answer

As a Y Combinator and Station F startup, Mailwarm works with:

  • Tech startups and SaaS companies

  • Recruitment and staffing agencies

  • Real Estate Agencies

  • B2B marketing agencies

  • E-commerce brands

  • Sales and outbound teams

  • Freelancers and consultants

From France to global markets, hundreds of organizations trust Mailwarm to improve email deliverability and inbox placement.

User comments

Share your experience with using Mailwarm and GitHub Metrics. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Mailwarm 5.0 Β· 3 reviews
GitHub Metrics no reviews yet
  • Steady Improvement in Email Deliverability
    SaaSHub review
    Β· Mar 2026

    I decided to try Mailwarm after having consistent issues with my emails landing in spam folders. At the beginning, I wasn’t fully sure what to expect, but the onboarding process was simple enough to get me started...

  • Helped My Emails Finally Land in Inbox
    SaaSHub review
    Β· Mar 2026

    I started using Mailwarm because I was struggling with my emails going straight to spam, especially for outreach. At first, I wasn’t expecting much, but after a couple of weeks, I actually started noticing a...

  • A very good email warmup tool
    SaaSHub review
    Β· Feb 2026

    I have been using Mailwarm to warm up email accounts and improve overall deliverability for my outreach campaigns. The setup process was very simple and everything runs automatically without requiring constant...

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We have no reviews of GitHub Metrics yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Mailwarm 0 mentions
GitHub Metrics 9 mentions

Tracking Mailwarm since Mar 2021.

  • Automate Your GitHub README with Custom SVG Metrics and GitHub Actions
    This tutorial shows you how to create a fully automated GitHub profile README using GitHub Metrics with custom SVGs and GitHub Actions. - Source: dev.to / over 1 year ago
  • πŸš€ Create An Attractive GitHub Profile README πŸ“
    Metrics this will generate a detailed stats infographic based on your GitHub Profile. - Source: dev.to / over 2 years ago
  • GitHub profile of the day: Philippe Massicotte
    Another GitHub profile using lowlighter/metrics with a slightly different setup. - Source: dev.to / about 3 years ago

View more

Alternatives to Mailwarm and GitHub Metrics

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