With digital communication, ensuring that your emails reach their intended recipients without being lost in spam folders is a crucial task for technical team leaders. With rising email traffic and strict spam filters, poor email deliverability can seriously impede your engagement and conversion efforts.
Understanding the subtleties of email testing is critical to getting good deliverability rates. The correct tools can make a major difference in discovering issues that activate spam filters and assessing how emails appear across various devices and email clients.
By spotlighting these tools, we hope to provide you with the knowledge and resources you need to face these difficulties head-on, ensuring that your emails are both successful and in line with industry standards.
You want to optimize your emails for optimum deliverability and engagement, but you’re not sure which solution will work best. I got you! In this piece, I keep things simple, drawing on my expertise with hundreds of different email testing software to compile this shortlist of the finest email testing tools.
Email Tool Tester Free: 10 Best Email Testing Tools
Here’s a brief overview of each email testing platform, including its greatest use case, some notable features, and screenshots of the interface.
1. Stripo
Stripo is an email design tool that enables teams to create responsive emails with little or no HTML experience. It comes with a sophisticated drag-and-drop editor and a set of basic blocks that allow users to generate real-time content without coding knowledge. Stripo was among the first email manufacturers to adopt AMP for Email technology.
It allows you to reuse and preserve email modules across several campaigns. It has automated processes, custom module libraries, and a variety of customization options, such as the ability to incorporate custom HTML code to generate interactive elements. It offers over 1000 free, ready-to-use responsive email templates that are also mobile-optimized
Stripo includes over 100,000 stock photos as well as the ability to create and export emails while tracking conversions. Stripo can be linked with more than 60 ESP/CRM tools. This gives customers adaptability and flexibility in functionality, such as the ability to push emails to automation systems with the touch of a button.
2. Mailtrap
MailTrap is an online application for doing secure email testing in development and staging environments. The tool functions as a dummy SMTP server, allowing test emails to be captured, seen in virtual inboxes, and debugged before being delivered to actual users. It enables you to easily test and iterate on new emails to avoid sending emails to clients and other employees by accident from development environments. MailTrap can be integrated using an API or as an SMTP server.
It has many functionalities, including BCC checking. Most email testing tools do not support Bcc because it is not a standard SMTP header like To or Cc. MailTrap displays all BCC’ed addresses and can confirm whether they remain invisible to the main recipients. MailTrap also provides a configurable email address for each inbox, allowing you to run tests in both production and development environments.
3. Email On Acid
Email on Acid is an email platform that focuses on quality assurance and pre-deployment capabilities. It improves firms’ ability to send error-free emails while maintaining brand reputation, thus increasing marketing ROI.
Email on Acid aims to ensure consistency in visual email rendering across devices and platforms, guaranteeing that created emails are displayed as intended. It makes email testing and pre-deployment easier by including campaign prechecks, URL validation, image optimization, and other features.
Email on Acid allows you to run important checklists like UTM validation and ADA compliance. Email on Acid enhances email deliverability rates by checking for spam and providing access to blacklisted domains. This allows developers and email designers to evaluate their email lists against up to 20 popular spam filters while also testing IP addresses against well-known block list providers.
Email on Acid includes an editor for creating templates as well as team collaboration capabilities to increase efficiency.
4. GlockApps
GlockApps offers a one-stop shop for all email delivery solutions, including a “Reputation Check,” which compares your IP address and domain to industry blacklists. You can also use DMARC Email Analytics to monitor, capture, separate, and/or reject any email that claims to be from you.
It delivers extensive spam and blacklist information, allowing the user to troubleshoot and resolve issues that improve email delivery. This functionality is very beneficial for testing marketing campaigns and the deliverability of email marketing providers. The report displays all IP addresses used to send emails and whether they are on any blacklists, providing you with an overall picture of the email campaign’s performance.
5. MailHog
MailHog is an email testing tool with a bogus SMTP server that is intended exclusively for app developers. The tool allows you to configure your application to use MailHog for SMTP delivery, examine emails in a web UI or obtain them via the JSON API, and optionally send messages to real SMTP servers for delivery.
It is a lightweight utility that runs on Windows, Linux, and MacOS without the need for installation. This gives developers simple access to test the web app’s email-sending and receiving capabilities. MailHog also provides real-time updates using the EventSource web interface. Captured emails can be saved in memory message storage and persisted in a MongoDB database and file-based storage system.
6. MailCatcher
MailCatcher is an email testing tool that intercepts every mail from any online or mobile app and stores it for display. MailCatcher simulates an SMTP server and displays HTML and CSS emails, plain text emails, and source versions of messages as appropriate. It also rewrites HTML to display embedded images and open links in a new window. This allows you to effectively test all areas of your email and ensure proper formatting before sending it to your client.
MailCatcher mail shows quickly if your browser supports WebSockets; otherwise, it updates every 30 seconds. It also provides command-line options to alter the default SMTP/HTTP IP and port settings, allowing you to manipulate your tests in the optimal way for your practice.
7. MailChimp
Mailchimp is a comprehensive marketing platform that includes a strong content development suite, marketing analytics, and add-ons for advanced email testing capabilities. It is AI-powered and provides user-friendly tools on a simple user interface, making it accessible to people without much technical knowledge. It provides detailed reporting on deliverability, open rates, clickthroughs, and conversions.
Mailchimp offers marketing automation services, which allow you to handle transactional delivery as well as automate operations and communications. The application is scalable, so you can send a huge number of emails at once. It also provides website hosting and design, allowing users to create landing pages using some simple templates (or code their own from scratch).
8. Litmus ESP
Litmus ESP is an email marketing platform that allows you to create, test, and analyze any email service provider (ESP). Litmus allows you to track the particular reasons why an email may fail to deliver, as well as examine the time it takes to load an image and have access to real-world processing into inboxes.
Litmus’ user interface allows you to quickly load screenshots of all current email clients, organize emails under a single folder structure, preview email content, and use a builder to check and test various codes against multiple email clients, helping you to expedite your processes. The user interface also supports team commenting and editor features.
Litmus integrates with a diverse set of ESPs and services, including Acoustic Campaign, Adobe Campaign Standard, Adobe Marketo, Hubspot, Oracle Eloqua, Oracle Responsys, Pardot, Salesforce Marketing Cloud, and SAP Marketing Cloud.
9. MailTester
MailTester is a cloud-based email verification tool that allows businesses to validate email domains and syntax. The program is an effective first line of defense for email testing and has an easy-to-use interface, making it accessible to individuals with limited technical experience.
It provides a comprehensive toolkit that includes Spam Trap Removal (which searches for spam trap emails in your email lists) and Syntax Verifier (which detects and deletes emails with improper syntax). MailTester supports manual and automatic email verification via API and allows you to download split results.
10. Wormly
Wormly is a website uptime monitoring tool that measures site uptime, CPU utilization, and SMTP server testing for new mail servers. You can get free SMTP and Remote Ping testing on their website by filling out an on-page form. Wormly offers detailed uptime data for websites and apps and is compatible with all major operating systems, including Windows and Linux.
In addition to email testing, Wormly provides a website monitoring service that continuously checks your website infrastructure and alerts you whenever a failure is identified, allowing you to act immediately and reduce downtime. The tool also includes sensors that monitor TCP/IP services to their full extent, allowing you to gain an understanding of your infrastructure’s availability and uptime.
Conclusion
It is critical to ensure that emails are properly signed, sealed, and delivered; therefore, QA specialists should take email testing very seriously. Email verification techniques can help you boost your sender reputation and DMARC analytics. Setting up an email testing tool is an excellent place to begin.
Failure to conduct proper email testing can result in a variety of problems, ranging from failing to meet your marketing strategy KPIs to facing major legal issues. So use the tools on this list to keep your email sending on point!