As of May 2026, there are 21 SaaS companies in Email Testing Software. They have combined revenues of $81.4M and employ 561 people. They have raised $11.1M and serve 1.2M customers combined.
Email Testing Software helps organizations verify the functionality, accuracy, and reliability of their email communications before executing campaigns. This category of software is crucial for ensuring that emails render correctly across various clients and devices, and that they pass through spam filters to reach recipients' inboxes. Users commonly adopt these tools to conduct pre-send testing, A/B testing, and analyze deliverability metrics to improve email marketing strategies. Typical features of email testing software include previewing email displays on different devices and clients, spam filter testing, validation of links and images, and analysis of email content for compliance with best practices. Buyer personas often include marketing professionals, content creators, and IT specialists responsible for maintaining email channel integrity. The primary use case is to enhance the overall effectiveness of email campaigns by identifying potential issues before the emails are dispatched.
Sorting: Highest -> Lowest
Showing 10 of 10 companies ranked by annual revenue.
Ljubljana, Unknown, Slovenia
SqualoMail je rešitev za email marketing, primerna tako za mala kot velika podjetja. Naše privlačne predloge in napredne funkcije vam bodo pomagale povečati prepoznavnost vašega podjetja.
New York, NY, United States
EmailConsul is an accessible email analytics and deliverability platform focused on giving all necessary data and power into the hands of the sender. EmailConsul is the one tool you need to get your email marketing on track. From seed tests, which allow you to see if your email lands in the inbox, the spam folder, or nowhere at all, to domain reputation monitoring, we have all the tools you need to ensure you make the right decisions. A tool created by deliverability specialists with over 15 years of experience, who know exactly what senders need to ensure emails land in the inbox and want to offer an affordable solution to all. Find out more at emailconsul.com.
United States
Reoon provides one of the most accurate email validation services that clean invalid, temporary & unsafe email addresses. Reoon can verify the most difficult email domains, including Gmail, Yahoo, Microsoft, AOL and custom business domains with 99% accuracy. Real-time API validation can validate email addresses within 0.5 seconds. Reoon has a WordPress plugin that can be used to verify email addresses live during the form submission on users' websites in just a few clicks.
London, Greater London, United Kingdom
The most comprehensive email verification service with 99%+ verification accuracy. Email list verification, bulk email verifier, email verifier API & automated email verification in one place.
Padova, PD, Italy
Verifalia is a web-based email verification solution dedicated to helping you keep your email lists clean and accurate. Our unique validation system detects working and non-working mailboxes without sending any emails to your contacts. So you data is verified and your clients aren’t disturbed. Integrate the Verifalia API into your website or app with just a few lines of code to keep invalid emails from ever entering into your database. Whether you have hundreds of addresses or millions, whether your list is opt-in, double opt-in or scribbled on a bar napkin (well, you’ll need to type that one up first) we can tell you which addresses are valid, which ones are risky and which ones just plain don’t work. Verifalia is advanced enough for everyone but simple enough for everyone. Plus you can try it out for free! ★ Why Clean Your Company Email Data ★ First of all, you may need to in order to meet the ever-increasing standards of email service providers such as MailChimp and iContact. Beyond that, old data, catch-all servers, disposable addresses, role accounts can all clog up your list, increase your costs, explode your bounce rate and hurt your server reputation. Opt-in lists are the standard for most modern companies but studies show that over 20% of email addresses go bad within a year, so even opt-in lists need to be cleaned regularly to stay fresh. We sift through all your data and give you all the info you need to make the right decisions for your business. ★ Verify Emails in Real-time ★ Our RESTful API is easy to integrate and we even offer free and open source software development kits (SDKs) for Microsoft .NET, Java, Node.js, Ruby and PHP. HTTPS protocol keeps your data safe at all times and real-time processing keeps your business running smoothly.
Santa Clara, California, United States
BounceGuard is an email validation, deliverability, and email finding platform helping many businesses reduce bounces and land their emails in the inbox. We improve your connection with customers and prospects so you can make more sales with email. BounceGuard’s team works across the globe to bring you the tools you need to make your emails a success. 1.Validate your email list Our 99% accurate email validator reduces and eliminates invalid, abuse, inactive, catch-all, temporary, and spam trap email addresses. It helps you reduce bounces, restore your sender reputation, and land more emails in the inbox. 2.Enhance your list BounceGuard adds missing data to your list, such as the first and last name of the subscriber, the location, and gender, when the registration IP is provided. 3.Score your catch-all emails BounceGuard’s email scoring system rates the quality of an email address. BounceGuard A.I. is exceptionally effective at scoring catch-all email addresses. 4.Test your emails before you hit Send Try our email server tester and inbox placement tester to see where your emails will land with popular providers – before hitting Send. 5.Find out if you’re blacklisted The blacklist monitor runs daily checks against 200+ blacklists and alerts you about being added to one. 6.Find any email address BounceGuard Email Finder discovers valid email addresses and connects you with the contacts you’re looking for. Try the email address lookup tool that guarantees a genuine address. 24/7 customer support; GDPR, SOC & ISO 27001, HIPAA compliant, 45+ integrations
Netherlands
ListWise is a powerful email cleaning and validation tool that verifies email addresses and corrects obvious typos. It is designed for validating and verifying emails, specifically for businesses with bulk email needs.
London, England, United Kingdom
MailTester.Ninja is a free and easy-to-use email checker that verifies or finds any address. A leading platform in the realm of email verification and discovery. As an advanced mail tester, we offer comprehensive solutions to ensure the accuracy and deliverability of your emails. Our email checker functionality is designed to validate your recipients in real-time, reducing bounce rates and increasing the efficiency of your marketing campaigns. By verifying each recipient address, MailTester.Ninja helps maintain the integrity of your sender reputation, preventing your emails from being flagged as spam. Moreover, as an effective email finder, MailTester.Ninja aids in expanding your outreach. Discover new potential contacts and leads with our sophisticated search tools, designed to explore and identify valid contacts that align with your business needs. At MailTester.Ninja, we are committed to enhancing your communication strategies. Whether you are looking to clean up your existing mailing list, prevent fraud, or comply with GDPR, our tools are tailored to meet your requirements. Embrace the power of a reliable mail tester, email checker, and email finder with MailTester.Ninja unlimited and take your e-marketing campaigns to the next level.
Phoenix, Arizona, United States
Nvia is a modern platform for designing high-converting emails. Powered by React Email and smart templates, Nvia helps creators and businesses build, customize, and manage email templates with drag-and-drop simplicity. From responsive email design to campaign management, image editing, and previewing across devices and dark modes—everything is built-in.
- Must provide functionality for simulating and analyzing email campaigns - Should include tools for A/B testing and multi-device previews - Must offer spam filter and deliverability testing capabilities - Should validate email content for compliance with industry standards - Must not only focus on email marketing automation; must also enable comprehensive testing and analytics
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