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Average Ratings 0 Ratings

Total
ease
features
design
support

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Write a Review

Description

HELO is a desktop application that streamlines the email testing and debugging process for web developers by capturing and analyzing outgoing emails produced by applications in the development phase. Rather than dispatching emails to actual recipients, HELO offers a local SMTP server that intercepts these messages and presents them within the application, enabling developers to review and validate them prior to launching. This method is instrumental in avoiding frequent issues such as broken links, missing images, formatting mistakes, and other errors that can surface in live emails. It delivers comprehensive debug views that showcase the email in various formats, including HTML rendering, plain text, raw source code, and complete message headers, thus providing developers with an in-depth understanding of the email's structure. Additionally, automated validation tools are employed to check links within the email, ensuring they yield valid HTTP responses, which significantly mitigates the chances of sending emails that contain invalid or broken URLs. By integrating these features, HELO not only enhances the development workflow but also promotes confidence in the quality of email communications before they reach end users.

Description

Unlock the potential of limitless email addresses and mailboxes designed specifically for automating comprehensive testing through our user-friendly APIs. Whether you need to handle email verifications or implement passwordless sign-ins, you can easily determine if triggers are functioning as intended and confirm that emails are successfully delivered to inboxes. Avoid the risk of sending test emails to actual customers by directing your messages to {namespace}.{tag}@inbox.testmail.app. Register to claim your unique {namespace}, and remember that the {tag} can be customized to suit your needs; each distinct tag generates a new email address, allowing you to dynamically create countless real email addresses and mailboxes with ease. You can utilize any HTTP or GraphQL client in various programming languages and settings, including CI/CD pipelines, to enhance your workflow. Furthermore, explore advanced features such as wildcard match searches, real-time email queries, sorting options, pagination, attachment handling, SpamAssassin reports, and more. Collaboratively, you can establish distinct namespaces and mailboxes tailored to each of your projects, securely manage API keys, share test emails seamlessly, track usage metrics, and organize team membership effectively. With these tools at your disposal, your testing process can be more efficient and organized than ever before.

API Access

Has API No 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

GitHub Student Developer Pack No 
HTML Yes 

Integrations

GitHub Student Developer Pack Yes 
HTML No 

Pricing Details

$49 per month
Free Trial No 
Free Version Yes 

Pricing Details

$9 per month
Free Trial No 
Free Version Yes 

Deployment

Web-Based No 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac Yes 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) Yes 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Beyond Code

Founded

2017

Country

Germany

Website

usehelo.com

Vendor Details

Company Name

testmail.app

Country

Canada

Website

testmail.app/

Product Features

Email Testing

A/B Testing No 
Accessibility Testing No 
DMARC Analytics No 
Deliverability Rates No 
HTML Validation No 
IP Blacklist Checking No 
Improvement Recommendations No 
Pre-Send Email Testing No 
Preview Across Browsers & Devices No 
Reporting / Analytics No 
Sender Reputation Scoring No 
Spam Testing No 

Product Features

Email Testing

A/B Testing No 
Accessibility Testing No 
DMARC Analytics No 
Deliverability Rates No 
HTML Validation No 
IP Blacklist Checking No 
Improvement Recommendations No 
Pre-Send Email Testing No 
Preview Across Browsers & Devices No 
Reporting / Analytics No 
Sender Reputation Scoring No 
Spam Testing No 

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Apache Software Foundation