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MailCull

Email verification SaaS with an AI layer that explains every result in plain English instead of returning a status code nobody can question. Live product, paying customer, Paddle billing, runs on $15/month. The hard part is done: verification engine, API, 10 free tools that pull traffic, 77 SEO posts already indexed. What's missing is marketing. I spent 5 months building and about 2 weeks selling. The $19 MRR reflects that, not the product. Priced for someone who'd rather market than build.

mailcull.io Founded May 2026

Verifies email addresses and explains every verdict in plain English

Revenue, 30 days

$24

Growth, 30 days

0.0%

MRR

$19

All-time revenue

$24

Subscriptions

1

Profit margin

65%