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What is MailSlurp?

Generate a limitless number of private email addresses on demand, utilizing code, testing environments, or online platforms. These addresses enable you to send and receive emails and attachments while also supporting integration with HTTP Webhooks, Zapier, and team dashboards for improved processing capabilities. You can evaluate essential features such as user authentication, password recovery, and email verification for your applications using real email addresses. By leveraging REST APIs, developer SDKs, and Zapier connections, you can manage email reception within your code, validate user registration processes, and save new contacts and attachments in Google Drive and other services. Create inboxes with either custom domains or randomly generated email addresses to offer flexibility. Access and handle emails and attachments seamlessly via code, tests, or intuitive team web applications. In addition, process text messages linked to actual phone numbers using webhooks and REST APIs. The capability to send and receive emails can be incorporated into your code or testing through webhooks or the waitFor function, allowing for efficient search and matching of emails to optimize your workflows. Moreover, perform thorough end-to-end tests of your applications with authentic email addresses to guarantee both reliability and precision, ensuring that your system functions as intended under real-world conditions. With this approach, you can enhance the overall user experience and increase trust in your application’s performance.

What is HELO?

HELO is a desktop application designed to simplify the process of email testing and debugging for web developers by capturing and analyzing emails generated during the application development stage. Instead of sending emails to real recipients, HELO includes a local SMTP server that intercepts outgoing messages and displays them within the application, allowing developers to inspect and verify the content prior to launch. This approach is essential for preventing common problems, such as broken links, missing images, and formatting errors, which may arise in live emails. The application provides detailed debugging views that illustrate the email in various formats—such as HTML display, plain text, raw source code, and full message headers—giving developers a thorough understanding of the email's architecture. Additionally, HELO implements automated validation tools to verify the links within the email, ensuring they return valid HTTP responses and significantly reducing the risk of distributing emails with invalid or broken URLs. By incorporating these capabilities, HELO not only streamlines the development process but also fosters greater confidence in the integrity of email communications before they are delivered to end users. Ultimately, this results in a more efficient workflow and enhances overall email quality, which is crucial in maintaining user engagement and satisfaction.

Media

Media

Integrations Supported

Cypress
Google Drive
HTML
Quickwork
Zapier

Integrations Supported

Cypress
Google Drive
HTML
Quickwork
Zapier

API Availability

Has API

API Availability

Has API

Pricing Information

$22.80 per month
Free Trial Offered?
Free Version

Pricing Information

$49 per month
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

MailSlurp

Company Location

United States

Company Website

www.mailslurp.com

Company Facts

Organization Name

Beyond Code

Date Founded

2017

Company Location

Germany

Company Website

usehelo.com

Categories and Features

Email Testing

A/B Testing
Accessibility Testing
DMARC Analytics
Deliverability Rates
HTML Validation
IP Blacklist Checking
Improvement Recommendations
Pre-Send Email Testing
Preview Across Browsers & Devices
Reporting / Analytics
Sender Reputation Scoring
Spam Testing

Categories and Features

Email Testing

A/B Testing
Accessibility Testing
DMARC Analytics
Deliverability Rates
HTML Validation
IP Blacklist Checking
Improvement Recommendations
Pre-Send Email Testing
Preview Across Browsers & Devices
Reporting / Analytics
Sender Reputation Scoring
Spam Testing

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