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Can I vibecode Campaign Monitor?

price $12/moyou'd save $144/yrbuild time multi-daycategory newslettersreplaced by 0 people
KINDA
MOATinfrastructure scaleintegrations

The core loop is buildable, but a dependable replacement becomes a real weekend or multi-day project. For Campaign Monitor, compose branded campaigns, manage subscribers, and report delivery and clicks. The hard boundary is template editor, deliverability, journeys, agency features, and integrations, plus deliverability, growth network, and integrations.

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The Build Prompt

copy it and go build
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Build a personal replacement for Campaign Monitor in an empty repository.
Use Next.js 15, TypeScript, PostgreSQL, Drizzle ORM, and Amazon SES; do not offer alternative stacks.
The core loop is: manage subscribers, compose design-centric campaigns, and report on delivery/clicks.
Make the first run work locally with one documented command. Store all user data locally by default.

Data Model:
- `Subscribers`: id, email, status, opt_in_date
- `Segments`: id, name, rule_logic (JSON, e.g., location='US' AND opens>5)
- `Campaigns`: id, subject, html_content, plain_content, segment_id, status
- `Metrics`: id, campaign_id, subscriber_id, event_type (open, click, bounce, complaint), created_at
- `Templates`: id, name, html_structure

User Journey & Screens:
1. List Management: Import subscribers via CSV, view active segments, and manage custom demographic fields.
2. Campaign Builder: A block-based visual editor focusing on aesthetic layouts (hero images, multi-column text, styled buttons). Provide an option for dynamic content blocks based on segment logic.
3. Analytics Dashboard: Visual charts comparing campaign performance (open rates, click maps) against historical averages.

Technical specifics:
- Queue sends through SES with retries, rate limits, idempotency, and resumable batches.
- Process delivery, bounce, complaint, open, and click webhooks (via SNS/SES) without logging message content.
- Implement double opt-in, unsubscribe handling, and suppression lists.
- Deliberately leave out complex multi-branch lifecycle automation, advanced enterprise deliverability support, and agency white-labeling features.
- Write focused tests for the core segmentation logic and one end-to-end happy path for campaign sending.
- Create a README with setup, architecture, SES configuration, and backup steps.
- Run the tests and build before finishing, then fix errors rather than merely describing them.
In-List Ad$79/30 days
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What you lose

  • Hosted infrastructure and managed operations from Campaign Monitor
  • The original service's mature integrations and ecosystem

Why it still works

🏗️ infrastructure scale · 🔌 integrations

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Questions

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