MailfullyEven Flow Solutions LLC
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UnitpostWork Reactor Inc.
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Related Products
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About
Mailfully is a hosted transactional email API for developers who need to send and receive messages from applications. Teams can send receipts, password resets, sign-in links, and alerts through a REST API or Node.js SDK, verify custom sending domains, and use reusable templates with variables. Per-message logs show delivery events, while webhooks can report deliveries, bounces, complaints, opens, and clicks to an application endpoint. Automatic suppression prevents later sends to addresses that bounce or complain. Mailfully also supports inbound email through a webhook and API, domain and message management from a command-line tool, delivery analytics, and an MCP server that lets compatible AI coding tools send messages and check their status. A test mode routes test messages to a simulator before live sending. The service is available through a free plan and paid monthly plans.
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About
Unitpost is an end-to-end customer communications platform.
You describe the workflow you want (a welcome series, shipping updates, a win-back campaign, etc.) and Unitpost builds it for you: ready to run across email, text, and WhatsApp.
Today we support transactional + marketing email with a hybrid template system (visual + code), contacts, segments, campaigns and automations. The foundation is built horizontally from day one: one contact model, one event system, one pricing model (shared sending balance), and every action works the same way in the UI, via API, and through our agent (Ask Unit).
We are not building another email tool. We are building the messaging layer that replaces the pile of tools teams currently stitch together and can be prompted for result, not manually built.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Developers, startups and SaaS teams that send transactional email from their apps, and teams building AI agents that need to send and receive email.
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Audience
Startups, Enterprises, Small Businesses, Developers, Marketers, Founders
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$5/month
Free plan includes 3,000 sent emails/month and 100 received emails/month at a hosted address. Starter is $5/month for 10,000 emails/month; paid-plan overage is $0.40 per 1,000 emails. Test sends do not count toward the allowance.
Free Version
Supported
Free Trial
Not Supported
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Pricing
$10/month
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationEven Flow Solutions LLC
Founded: 2025
United States
mailfully.com
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Company InformationWork Reactor Inc.
Founded: 2022
United States
www.unitpost.com
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
Cursor
Supported
Model Context Protocol (MCP)
Supported
Claude
Not Supported
Claude Code
Supported
Claude Duet
Not Supported
Claude for Legal
Not Supported
Grok
Supported
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Integrations
Cursor
Supported
Model Context Protocol (MCP)
Supported
Claude
Supported
Claude Code
Not Supported
Claude Duet
Supported
Claude for Legal
Supported
Grok
Not Supported
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