# How to Vibe Code Your Own FeedBlitz (and Stop Paying for It) > Email Marketing to Win the Inbox - Site: https://feedblitz.com - Category: Email Marketing / SaaS - Verdict: **Serious undertaking** (45/100 vibecodeable) - Estimated effort: 6+ weeks of iterative development and deliverability tuning ## Verdict Build a personal subset for learning, but pay for the real service if you need actual inbox deliverability. AI coding tools can easily scaffold the Next.js dashboard, database schemas, and even the RSS parsing logic. However, the core hurdle of an email service provider is deliverability. Without warming up IPs and managing strict feedback loops with Microsoft and Google, AI-generated code will land your emails straight in the spam folder. ### What you can't replicate - Decades of established IP reputation and whitelist status with major ISPs - Institutional infrastructure for handling ISP abuse complaints and feedback loops automatically - Built-in proprietary ad networks and monetization channels ## What it does FeedBlitz is an all-in-one email marketing service provider, RSS-to-email distribution system, and feed management platform built for publishers, bloggers, and small businesses. ### Core features - RSS-to-Email automatic parsing and scheduling engine - Email newsletter campaign builder and broadcasting queue - Subscriber management with tags, segments, and custom fields - Custom subscription forms (embeddable popups and widgets) - Automated drip funnels and welcome series sequences - Click and open tracking via redirect rewriting and tracking pixels - Bounce processing (hard vs soft bounces) and automated list hygiene ## The business ### Pricing - Core: $7.00/mo — Build a strong email marketing foundation. - Accel: $8.50/mo — Power your growth and revenue forward. - Enterprise: $10.50/mo — Flexible solutions to fit your high-level needs. Founded 2005. Team size: under 20 employees. ## The hard parts - Maintaining 99.7%+ email deliverability and managing IP/domain reputation blocks - Configuring strict DNS authentication records (SPF, DKIM, DMARC) without blacklisting - Building a high-throughput asynchronous mail transfer agent (MTA) worker queue - Continuously polling thousands of external XML/RSS feeds at scale without deadlocks ## How to vibe code FeedBlitz ### Prerequisites - Node.js (free): Required for running the Next.js development environment and backend scripts. - GitHub (free): Version control and deployment pipeline integration. - Resend Account (free tier): Provides transactional API rails to bootstrap sending without managing raw Postfix servers. ### Recommended AI tools - Claude Code: Best-in-class multi-file agentic coding tool for scaffolding complex backend queues and database models. - Cursor: Ideal for fine-tuning the rich dashboard UI, Tailwind components, and email template editor. ### Stack - Frontend: Next.js with Tailwind CSS and Shadcn/ui - Backend: Next.js Server Actions and API Routes - Database: Turso (SQLite at the edge) - Auth: better-auth - Payments: Stripe - Other: Resend for email delivery, Upstash Redis for background job queues, rss-parser for feed ingestion ### Hosting - Vercel (Hosting the Next.js dashboard and frontend client app.): $0-20/mo - Fly.io (Running long-lived background worker processes for RSS polling and email campaign queue dispatching.): $5/mo ### Build guide 1. **Project Scaffolding and Database Schema** — Initialize the Next.js project with Tailwind CSS, configure Turso SQLite connection via Drizzle ORM, and set up better-auth tables for user authentication. ``` Scaffold a new Next.js 16 project using TypeScript, App Router, and Tailwind CSS. Configure Drizzle ORM to connect to a Turso SQLite database. Create schema definitions for users, subscribers, lists, campaigns, rss_feeds, and email_logs. Implement better-auth for secure user authentication with email/password and session management. Ensure the project structure is clean and modular with clear separation between server actions and UI components. ``` 2. **Subscriber Management and Tagging System** — Build the audience dashboard supporting subscriber creation, list segmentation, custom fields, and bulk tagging. ``` Build a subscriber management module in Next.js. Create a dashboard view showing lists of subscribers with pagination, status filters (active, bounced, unsubscribed), and search. Implement CRUD actions for subscribers, lists, and tags using Drizzle ORM. Build a multi-select tagging and custom field management interface using Tailwind CSS and shadcn/ui components. Include CSV import functionality for existing subscriber lists with duplicate detection. ``` 3. **RSS Feed Ingestion Engine** — Implement a background polling worker that fetches external RSS XML feeds, parses new items, and handles deduplication. ``` Implement an RSS parsing engine using 'rss-parser' in a background worker script. Create a database table to track polled feed URLs, last fetched timestamps, and processed item GUIDs. Write a background polling function that runs periodically, fetches new RSS items from saved subscriber feeds, compares them against stored GUIDs to prevent duplicates, and queues them for automated RSS-to-email generation. ``` 4. **Email Campaign Builder and Template Editor** — Create a drag-and-drop or block-based newsletter editor with support for personalization tokens and templates. ``` Build an email campaign composer interface in Next.js. Include a library of quick-start templates, a rich-text/HTML editor preview, and support for personalization tags like {{subscriber.name}} and {{unsubscribe_url}}. Implement campaign scheduling logic that saves broadcast jobs to the database with targeted list filters and automated follow-up toggles for non-openers. ``` 5. **Queue Dispatcher and ESP Integration** — Connect the campaign scheduler to an outbound mailing provider (Resend API) via background job queues. ``` Build an asynchronous email dispatch queue using Upstash Redis or a background worker on Fly.io. When a campaign or automated RSS-to-email blast is triggered, batch-process recipients, render personalized HTML bodies, and send requests through the Resend API. Implement strict rate-limiting, error catching for hard/soft bounces, and automatic list hygiene updates to mark invalid addresses. ``` 6. **Tracking Pixels and Analytics Dashboard** — Implement open tracking via tracking pixels and click tracking via redirect rewriting to log campaign metrics in real time. ``` Implement real-time open and click tracking endpoints in Next.js API routes. Generate a unique 1x1 tracking pixel URL for every sent email campaign and log opens when requested. Implement link rewriting in outgoing emails to route through a redirect handler that records click events, timestamps, and recipient domains before forwarding users to their destination. Build an analytics summary dashboard showing open rates, click rates, and domain delivery breakdown. ``` ### Cost vs paying **Starting costs (one-time):** - Custom domain for tracking/sending: $12.00/yr - AI coding credits: $20.00 - Total: ~$32.00 one-time **Ongoing costs (monthly):** - Vercel / Fly.io hosting: $5.00/mo - Resend email API usage: $0-20/mo depending on volume - Total: ~$5-25/mo - Paying for the SaaS instead: $7.00/mo - $10.50/mo - Build time: 45-60 hours - AI tool credits: $20.00 (one month of Claude Pro / Cursor) - Break-even: Paying for FeedBlitz is financially rational unless built purely for educational value ## Sources - [FeedBlitz Official Website & Features](https://feedblitz.com) - [FeedBlitz Pricing Page](https://feedblitz.com/pricing/)