Software Alternatives & Startups

Mailwarm VS CentminMod

Compare Mailwarm VS CentminMod and see what are their differences

Mailwarm

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

Rating
5.0 · 3 reviews
Pricing
Paid $69 / Monthly ("Up to 50 emails/day", "1 account (1 SMTP)", "Chat support")
CentminMod

Centmin Mod is a LEMP stack shell menu based auto installer.

Rating
0 reviews
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, CentminMod seems to be more popular. It has been mentioned 3 times since March 2021.

social mentions
0 vs 3
Email Marketing popularity
100% vs 0%
alternatives listed
134 vs 57

Base details

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

Mailwarm
CentminMod
Website mailwarm.com centminmod.com
Pricing
Paid $69 / Monthly ("Up to 50 emails/day", "1 account (1 SMTP)", "Chat support") Official pricing
Platforms
GMail Outlook SMTP Zoho Web Yahoo Mail +3
—
Company Startup from France · 10 - 19 employees · 2020 —
Listed in

About Mailwarm and CentminMod

In their own words, as submitted to SaaSHub.

Mailwarm
CentminMod

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 CentminMod yet.

Features and specs

What each product offers, as listed by its team.

Mailwarm 8 features
CentminMod 5 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.
  • Performance Optimization
    CentminMod is highly optimized for performance out of the box with Nginx, MariaDB/MySQL, and PHP-FPM configurations, which helps in serving web applications faster.
  • Easy Installation
    The installation process is straightforward and automated, enabling you to set up a web server stack quickly without dealing with complex configurations.
  • Security Enhancements
    CentminMod includes several security features like custom firewall configuration and security patches aimed at improving the overall security of your server.
  • Built-in Tools
    It includes a variety of built-in tools, such as PhpMyAdmin, CSF firewall, and Let's Encrypt integration, making server management more convenient.
  • Active Community Support
    CentminMod has an active and helpful community along with comprehensive documentation, which can be very useful for troubleshooting and maximizing the use of the script.

Possible disadvantages

  • Limited Platform Compatibility
    CentminMod is only compatible with CentOS, which may not be suitable for users who prefer or are required to use other Linux distributions.
  • Learning Curve
    Despite the easy installation, CentminMod involves a learning curve, especially for users unfamiliar with command-line operations.
  • Resource Consumption
    The optimizations and additional tools included with CentminMod can lead to higher resource consumption compared to a minimal server setup.
  • Custom Configuration Constraints
    While CentminMod is highly optimized, it might restrict users who need a highly customized setup, as deviating from the predefined paths can be challenging.
  • No Official Support
    CentminMod is a community-driven project and does not offer official commercial support, which might be a concern for enterprise users needing guaranteed support services.

Analysis

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

Mailwarm
CentminMod

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.

Overall verdict

  • CentminMod is generally considered a good option, especially for those who are looking for a highly optimized and customized LEMP stack on CentOS. It offers robust performance and is continually updated to incorporate the latest in web server technologies. However, the script's reliance on command-line operations may present a steep learning curve for users new to server management.

Why this product is good

  • CentminMod is a popular script for setting up and managing LEMP stacks (Linux, Nginx, MariaDB/MySQL, PHP) on CentOS servers. It simplifies the process of configuring web servers by automating many of the complex tasks involved. The script is particularly known for its performance optimizations, security enhancements, and ease of use for those familiar with command-line interfaces. Additionally, CentminMod offers a wide range of customization options and is well supported by an active community.

Recommended for

  • Server administrators with experience using the command line
  • Users looking for a highly customizable LEMP stack
  • Those interested in performance-optimized and secure web server deployments
  • Individuals managing CentOS-based servers

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
CentminMod
100% 100%
0% 0%
0% 0%
VPS
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

Questions & Answers

As answered by people managing Mailwarm and CentminMod.

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 CentminMod. 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 · 3 reviews
CentminMod no reviews yet
  • Steady Improvement in Email Deliverability
    SaaSHub review
    · 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
    · 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
    · 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...

View more

We have no reviews of CentminMod 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
CentminMod 3 mentions

Tracking Mailwarm since Mar 2021.

  • CPanel's Black Week: 3 New Vulnerabilities Patched After Attack on 44k Servers
    We've been running Centminmod on our servers for years. Love the software. There is no fancy web UI but it does have CLI menus, etc... so, definitely not for the novice but it's really good at what it does. I'm not affiliated, just a... - Source: Hacker News / 5 months ago
  • Website Hosting Options
    I pay $3 a month for a 2gb (ram) ssd based VPS. I install centmin and reverse proxy my homelab services with a legit domain. (my isp blocks port 80). Source: over 4 years ago
  • Will pages hosted on DO's vps be faster than SiteGround?
    So yeah, it very much depends on your use case, you can always just demo it for one month and see for yourself. If you do, look into centminmod, it's a management tool for hosting websites simply and with great performance. Source: about 5 years ago

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When comparing Mailwarm and CentminMod, you can also consider the following products.