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features
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Description

PrimaryHub serves as a comprehensive platform designed for cold emailing and inbox warmup, specifically tailored for agencies and teams focused on outbound sales. It enables users to execute cold email campaigns, warm up an unlimited number of inboxes, track deliverability metrics instantly, and handle replies all from a centralized inbox. Additionally, PrimaryHub features AI-driven reply categorization, dedicated workspaces for clients, inbox rotation options, as well as monitoring for DNS and blacklists, along with various tools for effective campaign management, all aimed at enhancing the performance of outbound email strategies and streamlining outreach processes. With these capabilities, teams can significantly boost their email outreach effectiveness and efficiency.

Description

SubsiMail is a platform for self-hosted cold email sequencing, allowing users to manage prospect lists, templates, connected inboxes, and all campaign-related data directly within their own database rather than relying on a third-party SaaS solution. Designed as an alternative to platforms like Instantly, Smartlead, lemlist, and Apollo, it offers flat pricing based on connected inboxes instead of per-seat charges, ensuring complete ownership and export of data without any content review processes or external access to contacts and campaigns. The application operates seamlessly as a single Docker container on any $5 VPS, enabling users to connect to Gmail, Outlook, or any SMTP/IMAP inbox, create multi-step email sequences that incorporate merge fields and reply detection, manage user roles (admin, manager, view-only) while maintaining a comprehensive audit trail, and utilize integration through a REST API secured by personal API keys. Furthermore, the initial connected mailbox comes with a perpetually free option, making it an attractive choice for individuals and businesses alike. This unique setup empowers users with greater control over their email marketing campaigns while simplifying the management process.

API Access

Has API

API Access

Has API

Screenshots View All

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Screenshots View All

No images available

Integrations

Gmail
Microsoft Outlook

Integrations

Gmail
Microsoft Outlook

Pricing Details

$37/month
Free Trial
Free Version

Pricing Details

Free (paid plans from $49/mo)
Free Trial
Free Version

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Vendor Details

Company Name

Voltic

Website

primaryhub.ai/

Vendor Details

Company Name

SubsiMail

Founded

2026

Country

India

Website

subsimail.com

Product Features

Product Features

Email Marketing

A/B Testing
Artificial Intelligence
Auto-Responders
CAN SPAM Compliance
Customer Surveys
Drip Campaigns
Dynamic Content
Event Triggered Email
Image Library
Landing Pages/Web Forms
Mailing List Management
Mobile Optimized Emails
Reporting/Analytics
Subscriber Management
Template Management
WYSIWYG Email Editor

Alternatives

Alternatives

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