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About

Primeforge is a cold email infrastructure platform built to provision fully compliant Google Workspace and Microsoft 365 mailboxes, specifically optimized for high-deliverability outbound outreach. It automates the complex technical setup required for cold email, including SPF, DKIM, and DMARC configuration, domain authentication, and DNS management, allowing teams to deploy ready-to-send mailboxes in about 30 minutes without manual IT work. It uses trusted email service providers and US-based IP infrastructure to improve inbox placement and reduce the risk of messages landing in spam folders. Primeforge supports bulk domain and mailbox management, workspace organization, and compatibility with virtually any outreach software, enabling agencies and sales teams to scale multi-domain campaigns efficiently. It also includes automated account configuration, profile personalization, and best-practice implementation to maintain sender reputation and stable performance.

About

Sendmux gives AI agents their own inbox and a controlled way to send email. Each agent can receive messages, read threads, handle attachments, send replies, and react to new mail through signed webhooks or Server-Sent Events. Teams can send through Gmail OAuth, Outlook OAuth, SMTP providers, or managed Amazon SES. Sendmux can spread sending across providers with weighted routing, sender-domain routing, health checks, failover, and quotas by second, minute, hour, or day. Developers get Mailbox, Sending, and Management APIs, OpenAPI docs, SDKs, the sendmux CLI, MCP tools, and Sendmux Skills. The platform also covers tenant isolation, mailbox-scoped API keys, custom domains, logs, metrics, and usage-based pricing with no per-seat or per-mailbox fees.

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

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

Audience

Sales teams, outbound agencies, and growth marketers who need scalable, high-deliverability mailbox infrastructure for cold email outreach

Audience

AI agent builders that need an email API for AI agents

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$38 per month
Free Version Not Supported
Free Trial Not Supported

Pricing

$0.15 per 1000 emails
Free Version Supported
Free Trial Not Supported

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:

Review this Software

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:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Supported

Company Information

Primeforge
Founded: 2023
Estonia
www.primeforge.ai/

Company Information

Sendmux
Founded: 2026
Australia
sendmux.ai

Alternatives

Alternatives

EmailLabs

EmailLabs

Vercom
SendHQ

SendHQ

Vynara Technologies
SendPost

SendPost

SendWorks

Categories

Cold Email Supported

Categories

Agentic AI Supported
Email APIs Supported

Integrations

Gmail Supported
Attio Supported
Breakcold Supported
Claude Not Supported
Codex CLI Not Supported
FetchSandbox Not Supported
Google Chrome Supported
Google Workspace Supported
HubSpot CRM Supported
LangChain Not Supported
LinkedIn Supported
Microsoft Outlook Not Supported
Model Context Protocol (MCP) Not Supported
Python Not Supported
Ruby Not Supported
Salesforce Supported
Slack Not Supported
Vercel AI SDK Not Supported
folk Supported
n8n Not Supported

Integrations

Gmail Supported
Attio Not Supported
Breakcold Not Supported
Claude Supported
Codex CLI Supported
FetchSandbox Supported
Google Chrome Not Supported
Google Workspace Not Supported
HubSpot CRM Not Supported
LangChain Supported
LinkedIn Not Supported
Microsoft Outlook Supported
Model Context Protocol (MCP) Supported
Python Supported
Ruby Supported
Salesforce Not Supported
Slack Supported
Vercel AI SDK Supported
folk Not Supported
n8n Supported
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