Mail-tester review

Published on: June 10, 2026

Last updated on: June 10, 2026

Mail-tester Reviews: Independent Platforms

According to independent reviews, Mail-tester scored 3.5 out of 5, which is around the average for the reviewed email management platforms. Whether Mail-tester is the right solution for your business depends on the features you need, your scale, budget, and other factors. Website performance, real use cases, and user feedback are all worth checking before making a decision.

Review PlatformRatingReview Count
Capterra3.312
G24.210
GartnerNo reviewsNo reviews
GetApp3.312
GlassdoorNo reviewsNo reviews
GoodFirmsNo reviewsNo reviews
Software Advice3.312
TrustpilotNo reviewsNo reviews
TrustRadius (out of 5)4.04
ProductHuntNo reviewsNo reviews
SourceForgeNo reviewsNo reviews
Weighted Average Rating3.5

See also: What Made Us Choose Sources for Expert Score?

Mail-tester Traffic & Engagement

mail-tester.com sees around 467,884 visits per month, with 55.0% of visits coming direct, suggesting the brand has built some name recognition. A 40% bounce rate is a decent sign that the website is keeping people engaged past the first page. Full breakdown below.

Monthly VisitsPage Per VisitTime On SiteBounce RateDirect TrafficSearch TrafficPaid Referral TrafficReferral TrafficMail TrafficSocial Traffic
4678844.3169.50.455.0%34.9%0.0%5.4%2.7%2.0%

Mail-tester Website Visits Two-Year Trend: Positive

Learn more: Website Traffic Indicators We Use.

Mail-tester Social Media

What Do Customers Say About the Mail-tester ?

capterra.com

Positive reviews:

“Mailtester has helped me a lot when it comes to verification of the contacts as it gives 90% accuracy on email testing.” – Nakul Vikram S. ⭐⭐⭐⭐⭐

“Useful website For email marketing” – Md. Mahadi Hasan R. ⭐⭐⭐⭐⭐

Negative reviews:

“Probably the worst I have ever used” – Tanim A. ⭐☆☆☆☆

“Certainly not worth the money” – Shathi P. ⭐⭐☆☆☆

g2.com

Positive reviews:

“A quick, simple way to assess issues with deliverability and blacklisting of your email account. No software to install. Nothing troubling to share (no passwords, etc needed). Immediate results. I also like the free trial use for spot checks.” – Verified User in Marketing and Advertising ⭐⭐⭐⭐☆

“Mailtester is most useful for me in come to the best of the best and we can test the mail we send it reached or not we can test it by mail testing with this suitable” – Vinay B. ⭐⭐⭐⭐⭐

softwareadvice.com

Positive reviews:

“Best tool for single email verification.” – Tufayel A. ⭐⭐⭐⭐⭐

Negative reviews:

“The price is good but not the validation” – Md A. ⭐⭐☆☆☆

“Tough to recommend it now and hard to use” – Mb Ashraful A. ⭐⭐☆☆☆


Mail-Tester: Email Deliverability Software Review

  • Email Deliverability Software Expert Score: 3.2 – Average Performer

Do We Recommend Mail-Tester?

Mail-Tester is an average performer based on its mixed ratings across independent review platforms of 3.5, which suggests there is room for growth in both its features and customer satisfaction. Businesses seeking added functionalities or seamless integrations may need to consider alternatives. While it provides basic email deliverability features, Mail-Tester lacks the innovation, scalability, and reliability to compete with top-rated businesses.

Related: How We Classify Email Deliverability Software.

Feature Highlights: What Stands Out and What’s Missing

Here’s a look at what Mail-Tester actually delivers – and where it falls short.

  • Blacklist Monitoring
  • DKIM / SPF / DMARC Validation
  • Deliverability Score
  • Spam Testing
  • Analytics & Reporting
  • API Access

Let’s take a closer look at what Mail-Tester delivers with each of these features.

Blacklist Monitoring

Mail-tester checks the sending server’s IP against major blacklists as part of every standard test run. If a listing is found, the result flags it within the report – and the API response includes a dedicated blacklists sub-object that lists every service checked alongside the pass/fail result for that specific send.

DKIM / SPF / DMARC Validation

The SPF and DKIM check tool validates both records directly from the sending domain, and authentication results feed into every standard test report. The signature sub-object in the API response covers SPF, DKIM, and rDNS individually – each with its own score, diagnostic comment, and suggested fix where something fails.

Deliverability Score

Every tested email gets a score out of 10, built from SpamAssassin output, authentication checks, blacklist status, content analysis, and link validation combined. The goal is a clean 10/10 – and the main API response object returns both the final score and a short plain-language summary of what’s pulling it down.

Spam Testing

Spam scoring is the core function of mail-tester.com. Each submission runs through a default SpamAssassin installation, which flags content patterns, formatting issues, missing authentication signals, and HTML structure problems. The score is inverted from SpamAssassin’s native output so that positive numbers indicate a cleaner, safer message.

Analytics & Reporting

Paid manager accounts unlock daily, weekly, and monthly usage statistics alongside a 30-day searchable history of all tests run. The free tier keeps results accessible for 7 days with up to 3 runs per 24-hour window. White-label result pages with custom CSS are also available for teams embedding the tool into client-facing workflows.

API Access

After sending to a generated test address, a single GET call to the mail-tester endpoint with a parameter returns the full result as a structured JSON object. Six sub-objects cover the final score, message metadata, authentication results, body analysis, blacklist checks, and broken link detection – accessible to any paid account holder.

Features Not Verified for Mail-Tester

  • Email Verification / List Cleaning
  • Bounce Analysis
  • Dedicated IP Management
  • Inbox Placement Testing

Feature assessments follow our review methodology.

Supported Integrations

IntegrationBrands Covered
Infrastructure ChecksMXToolbox, Google Admin Toolbox

Infrastructure Checks

Mail-tester.com validates SPF and DKIM as part of every test run, but ongoing DNS monitoring and DMARC record inspection sit outside its scope. MXToolbox and Google Admin Toolbox cover that ground – useful companions for a complete authentication health check alongside mail-tester’s per-send diagnostics.

Mail-Tester Email Deliverability Software Pricing

PricingDetails
Minimum Price per Month$50/month
Price per Verification / CreditPricing is per test run, not per address verified. The base pack works out to $0.10 per test at the 500-credit level, with the per-test cost dropping at higher volume tiers. Each credit covers one full spam and authentication diagnostic report for a single email submission.
Free Credits AvailableRegistering a paid account includes a small number of free tests to validate the setup before committing credits. The terms of service confirm this directly – new accounts automatically receive some free tests so users can evaluate the service before purchasing a credit pack.
Free Plan Availablees – the free tier allows up to 3 tests every 24 hours with no account or credit card required. Results are stored for 7 days. It covers the full spam score, authentication checks, blacklist lookup, and content analysis – the same report paid users receive, just rate-limited and with ads.
Free Trial AvailableThe free daily allowance effectively serves as a permanent trial. Up to 3 tests per 24-hour window are available without registration, giving teams enough access to evaluate the tool’s output and score quality before deciding whether a paid credit pack makes sense for their volume.

Average Performer in the Email Deliverability space: While it provides basic email deliverability features, Mail-Tester lacks the innovation, scalability, and reliability to compete with top-rated businesses.


Mail-Tester: Email Testing Software Review

  • Email Testing Software Expert Score: 2.4 – Average Performer

Do We Recommend Mail-Tester?

Mail-Tester is an average performer based on its mixed ratings across independent review platforms of 3.5, which suggests there is room for growth in both its features and customer satisfaction. Businesses seeking added functionalities or seamless integrations may need to consider alternatives. While it provides basic email testing features, Mail-Tester lacks the innovation, scalability, and reliability to compete with top-rated businesses.

Related: How We Classify Email Testing Software.

Feature Highlights: What Stands Out and What’s Missing

Here’s a look at what Mail-Tester actually delivers – and where it falls short.

  • Spam Score Testing
  • Link & Image Validation
  • API Access

Let’s take a closer look at what Mail-Tester delivers with each of these features.

Spam Score Testing

mail-tester.com runs your outgoing message through a default SpamAssassin installation and flips the scoring so a positive result is a good sign. Send your newsletter once, get back a clean 10-point breakdown of what’s hurting – or helping – your deliverability before a single real subscriber sees it.

Every URL inside your message gets checked for broken destinations, and image-heavy layouts are flagged when they skew the text-to-content ratio too far. It won’t rewrite your HTML, but it will tell you plainly which links are dead and whether your image balance is likely to raise a spam flag.

API Access

Paid accounts unlock both a JSON endpoint and an iframe embed, letting developers pipe mail-tester results directly into their own dashboards or client-facing tools. Credits don’t expire, and the integration setup is straightforward enough that a backend team can wire it up without dedicated deliverability expertise.

Features Not Verified for Mail-Tester

  • Email Preview (Clients & Devices)
  • HTML / CSS Validation
  • Email Design & Rendering Testing
  • Seed List Testing
  • Inbox Placement Testing
  • Accessibility Checking
  • Design Import
  • Template Export / ESP Push
  • Analytics & Reporting

Feature assessments follow our review methodology.

Mail-Tester Email Testing Software Pricing

PricingDetails
Price per TestPer-test cost scales with volume: $0.10 at the 500-test entry pack, dropping to $0.08 (1,000 tests), $0.05 (5,000), $0.035 (20,000), $0.025 (100,000), and $0.02 at the 1,000,000-test tier.
Free Tests per MonthWithout an account, any user gets 3 tests per 24-hour window at no cost. Results remain accessible for 7 days. No registration or payment card is required to use this limit.
Free Plan AvailableYes. The free tier is permanently available – 3 daily tests with full spam score reporting, SPF/DKIM/DMARC checks, and content analysis included. No sign-up is required to access it.
Free Trial AvailableYes, in practical terms. The free 3-tests-per-day allowance serves as an ongoing trial of the core tool. Paid features – API access, iframe embed, 30-day history, and ad-free reports – require purchasing a credit pack.
Custom / Enterprise PricingVolume packs scale up to 1,000,000 tests at $20,000. For white-label and reseller integrations with custom pricing tiers, the mail-tester manager panel offers a micro-payment mode with commission-based arrangements available on request.

Average Performer in the Email Testing space: While it provides basic email testing features, Mail-Tester lacks the innovation, scalability, and reliability to compete with top-rated businesses.


About the author

MailCon
MailCon

Owned and operated by Phonexa, MailCon is a global community that connects marketing professionals with the latest technology, trends, and strategies in email marketing, marketing automation, mobile and omnichannel marketing. Our fantastic team of content writers contribute to this blog with inspiration from the incredible community of marketers we are privileged to host.

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