HELOBeyond Code
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MailsacForking Software
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Related Products
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About
HELO is a desktop application designed to simplify email testing and debugging for web developers by capturing and analyzing outgoing emails generated by applications during development. Instead of sending emails to real recipients, HELO exposes a local SMTP server that intercepts outgoing messages and displays them inside the application, allowing developers to inspect and verify them before deployment. This approach helps prevent common problems such as broken links, missing images, formatting errors, and other issues that often appear in production emails. It provides detailed debug views that show the email in multiple formats, including HTML rendering, plain text, raw source code, and full message headers, giving developers a complete understanding of how the message is structured. Automated validation tools check links within the email to confirm they return valid HTTP responses, reducing the risk of sending emails with invalid or broken URLs.
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About
Make up any email address @mailsac.com and you can instantly receive mail. No need to create the email first! Everything is public, unless you create an account. It's cheap and easy to setup a unique email address per online service. Route all your Mailsac addresses to a single one that you check. Email validation checks the formatting of an email address and if the email address is associated with a known disposable email address provider. With Mailsac, it is easy to interact with email via REST API, Webhooks and WebSockets. You can reserve and release email addresses, check messages, download attachments, and route mail. Email attachments are not viewable for public addresses from the Website. Attachments must be downloaded using REST API. Attachments on emails sent to Private Addresses can be viewed in the Unified Inbox or in an email client using POP3.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Web developers building applications that send transactional or automated emails and need a local tool to test, debug, and validate those emails before deployment
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Audience
Companies searching for a solution to manage their email marketing operations
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
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Pricing
$49 per month
Free Version
Free Trial
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Pricing
No information available.
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationBeyond Code
Founded: 2017
Germany
usehelo.com
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Company InformationForking Software
United States
mailsac.com
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