7 Best MailGenius Alternatives I’ve Tried and Recommend in 2025

MailGenius is a free spam tester that checks SPF and DKIM and gives you a basic deliverability score. 

For sure, it’s a decent starting point if you’re getting into cold emailing and not hitting spam filters.

But once you rely on it for real outreach, the limitations become clear:

• No inbox placement visibility – You don’t know where your emails are landing (Primary, Spam, or Promotions).
• Limited diagnostics – You get a score, but no clear explanation of what’s going wrong or how to fix it.
• No warm-up or domain reputation tracking – It doesn’t monitor your sender health over time.
• Doesn’t show how your emails perform in inboxes– Results can be misleading for ongoing outreach.

I’ve tested MailGenius across multiple domains and campaigns. That’s exactly why I created this list of MailGenius alternatives, as tools that go a step further.

These platforms give you actual inbox placement results, detailed diagnostics, and clear steps to protect your sender reputation and improve deliverability.

TL;DR – Top 3 MailGenius Alternatives to Pick in 2025

Want to see my top picks first? Here are the 3 that stood out during testing:

• Inbox Radar by Saleshandy – Best pick if you’re serious about cold email. It shows real-time inbox placement and alerts you if your emails hit spam.
• MailReach – Great for teams that want fully automated warm-ups with sender reputation monitoring and spam pattern detection.
• MailerCheck – Ideal for a quick way to clean your list and fix issues that hurt deliverability.

I tested these tools across multiple domains and campaigns. These three provided the clearest insights and consistent results.

How I Picked These MailGenius Alternatives

Basic spam tests don’t solve the real issues, so I picked tools that offer clear reasons and solutions for poor deliverability.

Based on the following four key factors, I evaluated each tool:

• Inbox Accuracy – Does it show exactly where your emails land: Primary, Promotions, or Spam?
• Actionable Features – Does it just give a score, or help you fix issues with clear next steps?
• Ease of Use – Is the interface intuitive and simple enough to work?
• Real Value – Does it offer insights worth paying for, or can a free tool do the same job?

These tools help you solve the core problems that MailGenius can’t handle:

• Test how your emails perform across different email providers
• Identify specific content triggers that send emails to spam
• Monitor your domain reputation in real-time
• Get detailed recommendations to improve deliverability

A Quick Comparison of the Top 7 MailGenius Alternatives

Let’s now understand each tool in detail.

7 Best MailGenius Alternatives and Competitors [Explained in Detail]

These platforms offer more detailed insights and better accuracy than basic free tools.

1. Inbox Radar by Saleshandy
2. MailReach
3. InboxAlly
4. MailerCheck
5. Mailgun
6. MxToolbox Delivery Center
7. Unspam

1. Inbox Radar by Saleshandy

Inbox Radar by Saleshandy is a no-nonsense tool to help you test inbox placement, fix spam issues, and protect your cold email deliverability.

Best Suited For: Cold email teams, outreach marketers, and agencies running campaigns at scale.

G2 Rating: 4.6/5⭐ (based on 700+ reviews)

While most tools charge you a premium just to tell you that your emails landed in spam, Inbox Radar goes one step further. In short, it tells you why and helps you fix it.

It’s built inside Saleshandy, so you don’t need to juggle tools or copy-paste anything.

What Makes Inbox Radar a Great Alternative to MailGenius?

Tried MailGenius? Great. Because it does what it promises: checks inbox placement.

But that’s pretty much it.

Inbox Radar goes beyond just showing you where your email lands. It gives you the why, the how to fix it, and the tools to act fast,  all in one place.

Here’s where Inbox Radar takes the lead:

• Spam Score Breakdown: It uses SpamAssassin scoring to show exactly what’s hurting your deliverability.
• DNS & Email Auth Checks: Instantly flags issues with SPF, DKIM, DMARC, or missing DNS records.
• Blacklist Monitoring: Notifies you if your domain or IP is listed anywhere.
• Recurring Tests: Set it once, and it keeps testing on autopilot. 
• Instant Alerts + Public Reports: Get notified when something’s wrong. Share insights with your team or clients using clean and shareable links.

MailGenius gives you a snapshot.

Inbox Radar gives you complete visibility and ongoing protection.

The best part? It’s built right inside your Saleshandy account. You don’t need to leave your outreach platform to check placement, fix issues, or monitor spam health.

Pricing

• Inbox Starter: $23/month
• Inbox Pro: $79/month

2. MailReach

MailReach is a set-it-and-forget-it warm-up tool designed to protect your sender reputation and boost cold email deliverability.

Best Suited For: Marketers, sales teams, and agencies looking to improve inbox placement and scale their outreach.

G2 Rating: 4.7/5⭐ (based on 40+ reviews)

While MailGenius gives you a quick spam check, MailReach takes it a step further. It actively trains inbox providers to trust your emails before you hit send.

It’s one of the few MailGenius alternatives built specifically for outbound teams. That means it fits neatly into your workflow and runs quietly in the background.

What Makes MailReach a Great Alternative to MailGenius?

MailGenius is great for running one-off spam checks.

But that’s where it stops.

MailReach does more than diagnose, as it prevents problems altogether.

It warms up your inbox daily, improves sender reputation, and helps fix spam issues before they impact your email deliverability. 

Apart from that, it also works across Gmail, Outlook, and other major providers.

Here’s where MailReach takes the lead:

• Automated Warm-Up: Sends, opens, replies to, and marks emails as important by mimicking human patterns for conversations to build trust with ISPs.
• Spam Behavior Correction: Moves emails from spam to inbox automatically, teaching providers you’re a safe sender.
• Domain Health Monitoring: Keeps tabs on your sending reputation and alerts you if anything goes south.
• Designed for Outbound: Everything’s built with cold email workflows in mind.
• Runs on Autopilot: Once set up, MailReach works in the background so you can focus on actual outreach.

MailGenius gives you a report. MailReach builds your reputation. That’s it.

Pricing

• Starts at $25/month per inbox with pay-as-you-go pricing.

Read our full MailReach Reviews.

3. InboxAlly

InboxAlly is a warm-up and reputation-building tool that actually helps your emails reach the inbox.

Best for: Enterprise teams needing advanced deliverability management

G2 Rating: 4.6/5 ⭐ (28 reviews)

While MailGenius shows you where your emails land, InboxAlly helps you change the outcome before the damage is done.

It’s designed for teams who want more than just diagnostics. InboxAlly helps you train inbox providers to recognize your emails as safe, before you even launch your campaign.

What Makes InboxAlly a Great Alternative to MailGenius?

MailGenius checks deliverability after your emails go out.

InboxAlly changes deliverability in your favor before you ever hit send.

It mimics real humans across Gmail, Outlook, and other inboxes by opening emails, replying to them, marking them as important, and pulling them out of spam.

These consistent and natural-looking signals teach inbox providers to trust your sender reputation.

Here’s where InboxAlly takes the lead:

• Engagement Simulation: Opens, replies, bookmarks, and spam recovery all happen automatically to boost trust signals.
• Hands-Off Warm-Up: Once activated, it runs daily without limits.
• No Credit Limits: Unlike MailGenius, there’s no restriction on how many tests or warmups you can run.
• Reputation Growth Dashboard: Track your domain’s health and engagement score over time with a clean visual UI.

MailGenius reacts. InboxAlly proactively improves your inbox placement every single day.

If your goal is to land in the inbox consistently, InboxAlly is another right alternative for your requirements.

Pricing

• Starter: $149/month
• Plus: $645/month
• Premium: $1,190/month
• Enterprise: Custom pricing for higher volumes

4. MailerCheck

MailerCheck is your all-in-one toolkit for verifying contacts, testing deliverability, and keeping your emails out of spam, before you ever hit send.

Best for: Email verification and technical deliverability testing

G2 Rating: 4.6/5 ⭐ (10 reviews)

MailGenius tells you what went wrong after the fact. Whereas MailerCheck helps you get it right from the start.

From list cleaning to spam trigger detection and inbox placement previews, it gives you everything you need to protect your sender reputation upfront.

What Makes MailerCheck a Great Alternative to MailGenius?

MailGenius shows you where you landed.

MailerCheck helps you land where you want to by testing and fixing issues ahead of time.

It previews inbox placement across Gmail, Yahoo, AOL, and more, so you know how your emails will perform before you launch.

It offers a simple way to scan email content, verify email lists, and catch SPF/auth issues before sending. You get everything in one place. 

Here’s where MailerCheck takes the lead:

• Inbox Placement Preview: Know if you’re headed to inbox, spam, or promotions across major providers, before sending.
• Email Content Tester: Automatically scans for spam triggers and gives you actionable suggestions.
• List Verification: Clean your list and reduce bounce rates with real-time email validation.
• Domain Health Monitoring: Flags SPF/DKIM/DMARC issues and watches for unauthorized activity.
• Smart Fix Suggestions: Get instant recommendations to resolve issues without needing a technical background.
• Built for Non-Tech Marketers: Simple and clear UI designed for teams who want results.

MailGenius tells you what happened.

MailerCheck gives you the tools to prevent it from happening in the first place.

If you want to stay ahead of deliverability issues, MailerCheck is a smart upgrade.

Pricing

• Pay as you go

5. Mailgun

Mailgun helps you fix deliverability issues before they become problems. If you’re waiting until your emails land in spam to act, you’re already behind.

Best for: Developers needing an email API with deliverability features

G2 Rating: 4.2/5 ⭐ (250+ reviews)

Mailgun gives you the tools to stay ahead. 

From spam trap monitoring to inbox placement previews and blocklist alerts, it keeps your domain reputation in check, even at scale.

What Makes Mailgun a Great Alternative to MailGenius?

MailGenius tells you where your emails land. Mailgun helps you control where they go.

Mailgun provides a full-stack email API designed for technical teams, complete with built-in deliverability tools.

With Mailgun, you can:

• Monitor spam traps and blocklists in real time
• Connect to Postmaster Tools (Gmail) and SNDS (Outlook) to track sender reputation
• Preview inbox placement across major providers
• Set up automated alerts to catch deliverability dips early
• Use email validation and a verification API to protect sender reputation at scale

If you’re sending emails programmatically and want inbox performance built into your stack, Mailgun gives you the infrastructure MailGenius doesn’t. 

It’s built for developers, but made to keep your emails out of spam.

Pricing

• Free Plan: $0/month
• Basic Plan: $15/month
• Foundation Plan: $35/month
• Scale Plan: $90/month

6. MxToolbox Delivery Center

MxToolbox Delivery Center monitors your email infrastructure so you can catch deliverability issues before they spiral out of control.

Best for: IT professionals monitoring email infrastructure

G2 Rating: 4.1/5 ⭐ (28 reviews)

It helps you detect early technical warning signs before they damage your sender reputation.

It gives your team full visibility into DNS health, blacklist status, domain reputation, and more, all from one centralized dashboard.

What Makes MxToolbox Delivery Center a Great Alternative to MailGenius?

MailGenius checks the email. MxToolbox checks everything behind it.

When comparing these two tools, MailGenius helps you test your message. MxToolbox monitors your full sending setup, including DNS, IP reputation, and blacklist status.

This helps to catch issues that no message scanner alone can spot.

Here’s where MxToolbox stands out:

• Real-Time DNS & MX Monitoring: Track critical records and get alerts when something breaks.
• Blacklist Monitoring: Check your IPs and domains against dozens of global blacklists automatically.
• Domain Reputation Tracking: Stay ahead of reputation dips before they impact inbox placement.
• Infrastructure-Level Diagnostics: Designed for IT teams who need visibility into the technical side of email delivery.
• Delivery Center Dashboards: Visualize domain health across multiple senders and services in one place.

If you manage email infrastructure, MxToolbox gives you the tools and visibility MailGenius doesn’t.

Pricing

• Free Plan: $0/month
• Delivery Center Plan: $129/month
• Delivery Center Plus Plan: $399/month

7. Unspam

Unspam helps you predict where your emails will land in the inbox, spam, or the promotions tab.

Best for: Businesses and marketers who want a complete email deliverability testing and optimization tool.

G2 Rating: 4.8/5 ⭐ (10 reviews)

Think of it like a complete pre-send inspection for your emails.

From spam score checks and broken link detection to inbox previews across Gmail, Outlook, Yahoo, and even dark mode, Unspam ensures you catch all the issues that could hurt deliverability.

It helps you understand what grabs attention first, which makes it easy to position your CTAs and content exactly where they should be.

What Makes Unspam a Great Alternative to MailGenius?

MailGenius gives you a deliverability score. Unspam shows you what’s wrong with your email deliverability and how to fix it.

It goes beyond inbox/spam testing and gives you:

• AI-powered heatmaps to understand what gets seen first
• Spam trigger analysis with actionable fixes
• Email previews across devices and clients, that too even in dark mode
• Broken link detection, HTML & CSS validation, and accessibility checks
• Visual feedback to perfect your layout, CTAs, and formatting before you send

If you care about where your email lands and how it looks when it gets there, Unspam gives you the insight MailGenius doesn’t.

Pricing

• Free Plan: $0/month
• Basic Plan: $9/month
• Business Plan: $19/month

Choose the Inbox Placement Tool That Matches Your Strategy

You’ve now seen a few great alternatives to MailGenius and learned about the unique features each one brings to the table.

There’s a lot to choose from, including deeper analysis, better inbox placement tracking, and more actionable deliverability insights.

Pick the one that fits your email goals. If you just need basic spam checks, keep it simple. 

But if your business relies on high deliverability, go with a tool that helps you find, fix, and stay in the inbox.

Still not sure which one is right for your workflow?

Here’s a suggestion:

➜ Try Inbox Radar by Saleshandy

Check it out and see how it compares to other tools, as well as how it can help improve your email deliverability.

FAQs About MailGenius Alternatives

1. Which MailGenius alternative should I choose for cold email outreach?

Inbox Radar by Saleshandy is the right choice for cold email campaigns. It will help you with outreach and includes real-time monitoring and automatic warm-up.

2. I’ve been using MailGenius — what’s the best tool to switch to without losing visibility?

From what I’ve seen, Inbox Radar by Saleshandy provides similar content testing but adds real inbox placement results and detailed provider-specific insights.

3. Can I fully replace MailGenius with tools like MailReach or InboxAlly?

Yes, these tools provide everything MailGenius offers, plus additional features. It focuses on reputation management.

4. Is it worth paying for a MailGenius alternative if MailGenius is free?

MailGenius gives basic spam scores, but tools like Inbox Radar by Saleshandy show actual inbox placement across real accounts, which is much more valuable for campaign success.

5. How do I know if inbox placement tools are actually working?

You’d track your campaign metrics with tool predictions. Good alternatives like Inbox Radar and TrulyInbox should correlate strongly with your real open rates and reply rates over time.