Outreach & Deliverability•Cold Outreach & Email OS

PrimeInbox

Cold Email Outreach & Deliverability Operating System

Enterprise-grade cold email outreach and deliverability SaaS platform built for high-volume sales outreach, agency lead generation, and automated sequence execution with multi-account SMTP rotation and Google Gemini AI copywriter.

99.4%Inbox Placement

UnlimitedSMTP Accounts

Nodemailer v9Delivery Engine

Gemini 2.5 FlashAI Copywriter

Production Architecture & Tech StackCommercial License Ready

Docker Compose• Self-Hosted VPS Ready

Frontend & UI Stack

Next.js 16.2.9 (App Router)•React 19.2.4 & React DOM 19•TypeScript 5•Tailwind CSS v4•Shadcn UI•@base-ui/react•TipTap v3 WYSIWYG•CodeMirror 6 HTML•Recharts v3•Framer Motion v12•Sonner

Background Engine & Workers

Node.js 20+ LTS•Nodemailer v9 (TLS/SSL & DKIM)•Direct Timer-based Async Queue Dispatcher•No Redis Dependency Required•Automated Hourly/Daily Limit Resets•PM2 Process Supervisor

Database & Models

MariaDB 10.x+ / MySQL 8.x•Prisma 7 ORM (@prisma/client, @prisma/adapter-mariadb)•30+ Relational Models (Campaigns, SmtpAccounts, Leads, CRM, Invoices)

AI & Document Parsing

Google Gemini API (gemini-2.5-flash, gemini-2.0-flash, gemini-2.5-pro)•SheetJS (xlsx)•mammoth (docx)•pdf-parse & pdfkit•react-dropzone

Security, Auth & Payments

Stateless JWT (jose)•bcryptjs•AES-256-GCM Credential Encryption•Zoho Payments API (recurring mandates & webhooks)•Nginx HTTP/2 Reverse Proxy•Let's Encrypt SSL

1. COMPLETE TECHNOLOGY STACK

Enterprise Technologies & Libraries

Full transparent breakdown of every framework, ORM, UI primitive, AI model, and payment gateway integrated into PrimeInbox.

Architecture & Technology Matrix

Production-tested modules across frontend, backend, database, OCR, intelligence, and payments.

6 Infrastructure Layers37 Production Modules

Frontend & UI Architecture

12 Modules

Next.js 16 App Router, React 19, Tailwind CSS v4, dual email editors, and charts.

Next.js 16.2.9 (App Router)User dashboard, landing pages, authentication, and REST APIs

React 19.2.4 & React DOM 19Modern component library, concurrent features, and hooks

TypeScript 5Strict static type safety across frontend and backend services

Tailwind CSS v4.0Utility-first CSS with @tailwindcss/postcss, tw-animate-css, clsx & tailwind-merge

Shadcn UI & @base-ui/reactAccessible headless UI primitives and design components

Lucide React IconsCrisp vector icons across campaign management and settings

TipTap v3 WYSIWYG Editor@tiptap/react & @tiptap/starter-kit visual email template builder

CodeMirror 6 HTML EditorRaw HTML code editor with syntax highlighting (@codemirror/lang-html)

Recharts v3Deliverability, open rate, and reply telemetry charts

Zustand v5 & TanStack Query v5Global client state management and server state fetching

React Hook Form v7 & Zod v4Form management and schema validation (@hookform/resolvers)

SonnerInteractive toast notifications for campaign actions and errors

AI & Document Ingestion

6 Modules

Google Gemini AI generation and multi-format document parser pipelines.

Google Gemini APICold email copy drafting, tone adjustments, and subject line generation

Gemini 2.5 Flash & 2.5 ProHigh-speed reasoning and unstructured lead data extraction

SheetJS (xlsx)High-speed Excel (.xlsx) and CSV lead ingestion

mammoth & docxWord document (.docx) parsing and extraction

pdf-parse, pdf-lib & pdfkitPDF document text extraction and automated invoice generation

react-dropzoneDrag-and-drop file upload interface for lead lists

Background Engine & Workers

7 Modules

Node.js scheduling loop, SMTP rotation pool, and email dispatch workers.

Node.js (v20+ LTS)High-performance asynchronous server runtime

Nodemailer v9SMTP transport with TLS/SSL, DKIM signing, and connection pooling

Direct Timer Queue DispatcherNon-blocking async loops with zero external Redis dependency

Queue Scanner Cron (Every 60s)Scans pending queue items and dispatches active campaign steps

Hourly & Daily Reset CronsAutomatically resets mailbox sending limits on the hour and midnight

Subscription Renewal CronTwice-daily check (8 AM / 8 PM) for customer subscription status

PM2 Process SupervisorCluster mode for frontend and singleton worker for backend

Security, Cryptography & Auth

5 Modules

Stateless JWT, credential encryption, and app-level DKIM signing.

Stateless JWT via joseSecure HttpOnly, SameSite cookie authentication

bcryptjsSalt-and-hash user and admin password protection

AES-256-GCM EncryptionNode.js crypto encryption for SMTP passwords, API keys, and DKIM private keys

App-Level DKIM Signing2048-bit RSA key generation and on-the-fly header signing

Super Admin IsolationDedicated ADMIN_JWT_SECRET separating platform admins from tenant users

Database & Relational Models

4 Modules

Relational database schema with 30+ models managed via Prisma 7.

MariaDB 10.x+ / MySQL 8.xHigh-performance ACID relational database engine

Prisma 7 ORMType-safe database client and automated migrations

@prisma/adapter-mariadbHigh-throughput native MariaDB driver adapter

30+ Relational ModelsCompany, User, Campaign, CampaignStep, CampaignQueue, SmtpAccount, Lead, CrmContact, Subscription, Invoice

Payments & Web Infrastructure

3 Modules

Zoho Payments, Nginx reverse proxy, and Let's Encrypt SSL.

Zoho Payments APICustomer tokens, auto-debit recurring mandates, and HMAC webhooks

Nginx Reverse ProxyPort forwarding (3000), static file serving (/uploads/), HTTP/2, SSL termination

Let's Encrypt (Certbot)Automated HTTPS certificates with auto-renewal cron

WHY PRIMEINBOX

Engineered for Speed, Reliability & Enterprise Scale

Explore key architectural modules that set PrimeInbox apart. Click any capability to view technical mechanics.

Multi-Account SMTP Rotation PoolDeliverability Engine

Sender Reputation Protection

Connect unlimited Google Workspace, Microsoft 365, AWS SES, and custom SMTP accounts with Round-Robin, Weighted, or Priority rotation, randomized delay jitter (30–180s), and automatic quota resets.

Zero Domain BurningActive Module

Smart Timezone & Business Hours DispatchSmart Dispatcher

Prospect Local Hours Scheduling

Outbound emails are sent strictly within customizable prospect business hours (8:00 AM – 6:00 PM local timezone) with built-in weekend suppression to avoid off-hour and spam folder delivery.

Dual Editor & Gemini AI CopywriterAI Copywriter

WYSIWYG TipTap & CodeMirror 6

Switch seamlessly between rich visual WYSIWYG editing and raw HTML code editing with real-time variable tags. Uses Google Gemini AI to draft icebreakers, body copy, and spam-trigger prevention.

App-Level DKIM & Deliverability TelemetryTelemetry & DKIM

2048-Bit RSA Keys & Event Tracking

Features 1x1 tracking pixel injection, URL rewrite proxy for click tracking, RFC 8058 List-Unsubscribe headers, and app-level DKIM signing using 2048-bit RSA keys with AES-256-GCM encrypted private storage.

Module Spotlight

Multi-Account SMTP Rotation Pool

Deliverability Engine

Core Functional Metric

Zero Domain Burning

Enforces hourly and daily limits per mailbox with automated health scoring.

Zero third-party vendor lock-in — runs directly on your server

Modular component structure for painless custom feature additions

Full TypeScript type definitions and production schemas

Buy Full Source Code with this Module

CORE CAPABILITIES

Production-Tested Features Built for Scale

Every capability is engineered to enterprise standards so you can launch a robust, reliable service immediately.

Multi-Account SMTP Rotation & Deliverability Protection

Connect multiple accounts (Google Workspace, Office 365, SendGrid, Amazon SES, custom SMTP) with Round-Robin, Weighted, or Priority rotation, automatic hourly/daily quota resets, randomized jitter (30-180s), and health scoring.

Smart Scheduling & Timezone Optimization

Outbound emails are sent strictly within customizable prospect business hours (8:00 AM – 6:00 PM local timezone) with built-in weekend suppression (no emails on Saturdays and Sundays).

Multi-Step Automated Follow-Up Sequences

Multi-stage email sequences with configurable delays between steps. Automatic stop triggers halt sequences immediately when a lead replies, bounces, or unsubscribes.

Dual Template Builders & Gemini AI Generation

Visual WYSIWYG editor (TipTap v3) and HTML code editor (CodeMirror 6) with real-time variable tags ({{firstName}}, {{companyName}}) and integrated Google Gemini AI for subject lines, body copy, and spam-trigger prevention.

AI-Powered Lead Management & Document Ingestion

Import leads via CSV, Excel (.xlsx SheetJS), Word (.docx mammoth), or PDF (pdf-parse). Built-in Gemini AI parses unstructured documents to extract prospect names, emails, companies, and roles.

Comprehensive Deliverability & Event Tracking

1x1 tracking pixel for open tracking, URL rewrite proxy for click tracking, RFC 8058 List-Unsubscribe headers, app-level DKIM signing (2048-bit RSA with AES-256-GCM encryption), and geolocation analytics.

Native CRM & Multi-Tenant Workspaces

Lightweight CRM tracking Companies, Contacts, Tasks, and interaction histories. Multi-tenant workspace architecture with 5-tier RBAC (SUPER_ADMIN, OWNER, ADMIN, MANAGER, USER) and dedicated back-office portal.

Zoho Payments Automated Subscriptions & Billing

Seamless integration with Zoho Payments supporting subscription tiers, automated recurring mandates, HMAC-SHA256 webhook verification, and automated PDF invoice generation.

COMMERCIAL RIGHTS & OWNERSHIP

100% Full Ownership. Zero Monthly Fees.

You receive full commercial rights to customize, host on your infrastructure, and charge clients recurring fees with zero royalties.

100% Brand Ownership

Deploy under your own agency brand, color palette, custom domain, and logo with zero vendor branding or licensing links.

Commercial Resale Rights

Launch your own cold outreach SaaS or offer dedicated cold email infrastructure as a premium agency service.

Self-Hosted Private VPS

Deploy on your private Linux VPS (Ubuntu 22.04/24.04 LTS) with full control over sending queues, IP reputation, and databases.

Full Monorepo Source Code

Receive the complete unminified Next.js 16 frontend (email-outreach/) and Node.js background engine (backend/) with zero obfuscation.

Zero Per-Seat or Per-Email SaaS Fees

Eliminate expensive per-seat cold email software subscriptions. Send unlimited campaigns across unlimited client workspaces.

Bring Your Own Gemini & Zoho Keys

Connect your own Google Gemini API keys for copy generation and Zoho Payments for customer billing with direct account payouts.

ONE-TIME FIXED PRICE

Buy Complete Source Code. Own It Forever.

No recurring subscriptions, no per-seat fees, zero royalties. You get the full production codebase with complete ownership.

Full Commercial & Resale White-Label License

PrimeInbox Full Source Code

Instant Encrypted Download (5-Min Expiring Session)

₹1,999₹49,999

Save 96% One-Time Fixed Price

What's Included in Your Download Package

Complete PrimeInbox Next.js 16 (App Router) & React 19 Frontend Codebase (email-outreach/)

High-Performance Node.js & TypeScript Background Scheduler Engine (backend/)

Prisma 7 Multi-Tenant Schema with 30+ Relational Data Models

Multi-Account SMTP Rotation Pool & Smart Timezone Dispatch Worker

Dual WYSIWYG (TipTap v3) & HTML Code (CodeMirror 6) Email Editors

Google Gemini AI Lead Extraction & Cold Copywriting Pipelines

Zoho Payments Automated Subscriptions & Recurring Mandate Integration

Complete 7-Step VPS Deployment Manual & Production PM2 ecosystem.config.js

Legal Notice & Copyright Disclaimer

Important: You must change the original product name, brand identity, and logos before deploying to production. Deploying or distributing using the original trademark/brand name without modification may result in copyright or trademark infringement and related legal liabilities.

Instant Code Access• Razorpay Verified• Zero Royalties Forever

FREQUENTLY ASKED QUESTIONS

Everything You Need to Know

Instead of sending thousands of emails through a single domain, PrimeInbox rotates outbound dispatches across multiple domains and mailboxes using Round-Robin, Weighted, or Priority algorithms. It enforces hourly/daily caps, randomized delay jitter (30–180 seconds), and automatic quota resets to keep sender reputation pristine.