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About

Halon reinvents email infrastructure for today’s fast-moving, high-volume world. Their solutions- Halon Engage, Halon Protect, and Halon Classify offer a fully composable platform that empowers you to define, control, and automate every aspect of your email infrastructure stack with intelligence built in. Ideal For: - Enterprises or platforms sending high volumes of transactional, marketing, or lifecycle emails - Email service providers (ESPs) looking for more control and agility - Teams who want real-time visibility, proactive delivery, and the ability to evolve on their own terms Benefits: - Develop features 10x faster - Reduce manual triage - Decrease traffic jams - Reduce escalations - Keep your email operations teams happier - Supercharge client satisfaction - Increase your top line and grow your business

About

MailDeck is the market-leading enterprise cold email infrastructure platform, engineered from the ground up for high-volume senders who demand uncompromising deliverability at scale. Trusted by sales teams, growth agencies, and revenue organizations sending millions of emails per month, MailDeck provides the most reliable inbox architecture available for cold outreach. The platform seamlessly integrates Google Workspace, Microsoft 365, and a wide range of SMTP providers into a unified, enterprise-grade sending infrastructure.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Email service providers, Large volume email senders, Security solution for service providers

Audience

B2B outreach teams, SDRs, lead generation agencies, recruitment firms, fintech companies, SaaS startups, real estate agents, marketing and growth agencies, PR agencies, sales consultants, founder-led sales teams

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

No information available.
Free Version
Free Trial

Pricing

$99 for 30k emails/month
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

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Reviews/Ratings

Overall 5.0 / 5
ease 4.5 / 5
features 4.5 / 5
design 4.5 / 5
support 5.0 / 5

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Halon
Founded: 2000
Sweden
halon.io

Company Information

MailDeck
Founded: 2025
United States
maildeck.co

Alternatives

KumoMTA

KumoMTA

Kumo Corp

Alternatives

Axigen

Axigen

Axigen Messaging
Apache James

Apache James

The Apache Software Foundation

Categories

Categories

Integrations

Gmail
Google Workspace
Microsoft 365

Integrations

Gmail
Google Workspace
Microsoft 365
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