
MailStrike
Email Campaign Platform - Send smarter, close more deals.
A full-stack, production-grade email campaign management SaaS platform. Connect your own SMTP providers, create and send bulk campaigns, track performance in real-time, and automate your entire email marketing workflow - with zero per-email platform fees.





Everything You Need for Email Marketing
MailStrike gives you complete control over your email marketing infrastructure - from SMTP configuration to real-time campaign analytics.
Campaign Creation
Create campaigns with subject, body (HTML/Markdown), and personalization variables
Email List Management
Import contacts from CSV/JSON, manage segments, and organize recipients
Template Builder
Create reusable email templates with HTML and Markdown support
Scheduled Sending
Schedule campaigns for future delivery with timezone support
Dynamic Personalization
Use variables like {{name}}, {{email}} for personalized messaging
Campaign Analytics
Track opens, clicks, bounces, and delivery rates per campaign
Email Sending Pipeline
A robust end-to-end email delivery pipeline built for reliability, transparency, and scale.
Frontend (Next.js 16)
- App Router Pages
- React Query Cache
- Zustand State
- Socket.IO Client
- Tailwind CSS
Backend (Node.js + Express)
- REST API (40+ endpoints)
- Auth & Campaign Routes
- Email Queue Workers
- Webhook Handlers
- Nodemailer Integration
Database (MongoDB)
- Users & Campaigns
- Email Lists & Logs
- SMTP Configs
- Templates
- Mongoose ODM
Real-time (Socket.IO)
- Live Send Progress
- Campaign Status Updates
- WebSocket Transport
- Auto Reconnect
- Room-based Events
Enterprise-Grade Security
Multiple layers of security protect your data, credentials, and email infrastructure - from encrypted storage to intelligent rate limiting.
JWT Authentication
Secure token-based auth with httpOnly cookies and refresh tokens
Rate Limiting
Express rate limiting to prevent abuse and brute-force attacks
Input Sanitization
DOMPurify and Joi validation for all user inputs and API payloads
Helmet Headers
Comprehensive HTTP security headers via Helmet.js middleware
CORS Protection
Strict cross-origin resource sharing with whitelisted domains
Password Hashing
bcryptjs with salt rounds for secure password storage
Webhook Verification
Signature-based verification for incoming webhook events
CSRF Protection
Cross-site request forgery prevention across all endpoints
Built for Speed & Scale
Every layer of MailStrike is optimized for high-volume email sending - from intelligent batch processing to real-time WebSocket updates.
Batch Sending Engine
Configurable batch sizes and delays to respect provider rate limits and maximize throughput
Multi-SMTP Rotation
Intelligent rotation across multiple SMTP providers for load balancing and deliverability
React Query Caching
TanStack React Query for server-state caching, deduplication, and background refetching
Socket.IO Real-time
Live campaign progress, status updates, and sending metrics via WebSocket
TanStack Table
Advanced data tables with sorting, pagination, and filtering for large contact lists
Email Log Transparency
Every email has a log entry with status, timestamps, error messages, and metadata
Built With Modern Tech
Production-grade technologies chosen for reliability, performance, and developer experience.
Backend
Runtime
HTTP server & routing
Primary database
ODM / schema modeling
Real-time WebSocket
SMTP email sending
Auth tokens
Security headers
Frontend
React framework (App Router)
UI library
Server state & caching
Client state
Utility-first CSS
Animations
Data visualization
Icon library
Ready to Supercharge Your
Email Marketing?
Stop overpaying for email marketing. Own your infrastructure, connect your SMTP, and send at a fraction of the cost with MailStrike.
