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Description

You can create any email address ending in @mailsac.com and start receiving messages immediately, without the need for prior setup. All inboxes remain public unless you opt to create an account for more privacy, making it convenient and cost-effective to establish a distinct email address for each online platform you use. You can consolidate all your Mailsac email addresses into a single inbox that you regularly monitor. The service includes email validation, which checks both the format of the address and whether it belongs to a recognized disposable email provider. Mailsac also simplifies email interactions through its REST API, Webhooks, and WebSockets, allowing users to reserve or release email addresses, check incoming messages, download attachments, and manage mail routing. It's important to note that email attachments sent to public addresses cannot be viewed directly through the website and must instead be accessed via the REST API. However, when you receive emails at Private Addresses, you can easily view attachments through the Unified Inbox or an email client that supports POP3. This flexibility makes Mailsac a reliable choice for managing temporary email needs.

Description

OpenMail provides AI agents with unique email addresses, allowing for easy inbox provisioning through a single CLI command or API call, ensuring that each agent operates independently without relying on shared inboxes or forwarding aliases. Emails sent to these addresses are delivered immediately via webhook or WebSocket, with automatic parsing and threading that eliminates the need for polling. Responses are seamlessly integrated into the existing context, enabling agents to reply without requiring a different interface for human users. All types of attachments, including PDFs, CSVs, images, spreadsheets, and Word documents, are converted into text suitable for LLMs, so agents never have to handle raw MIME formats directly. The API is intentionally compact, featuring just one command for provisioning, standard commands for sending, and webhooks or WebSocket for receiving messages. It also boasts compatibility with platforms like LangChain, n8n, Make, Vercel AI SDK, and OpenClaw, in addition to supporting custom domains. Operating within the EU, OpenMail adheres to GDPR regulations and promises a 99.9% uptime SLA while working towards SOC 2 certification, ensuring a reliable and compliant service for users. This streamlined approach not only enhances efficiency but also simplifies the integration process for developers looking to utilize AI in their communications.

API Access

Has API Yes 

API Access

Has API No 

Screenshots View All

Screenshots View All

No images available

Integrations

LangChain No 
Make No 
OpenClaw No 
Quickwork Yes 
Vercel No 
n8n No 

Integrations

LangChain Yes 
Make Yes 
OpenClaw Yes 
Quickwork No 
Vercel Yes 
n8n Yes 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Pricing Details

9 EUR
Free Trial No 
Free Version Yes 

Deployment

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

Customer Support

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

Types of Training

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

Types of Training

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

Vendor Details

Company Name

Forking Software

Country

United States

Website

mailsac.com

Vendor Details

Company Name

OpenMail

Founded

2026

Country

Lithuania

Website

Openmail.sh

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

Alternatives

Alternatives