Khuat Dinh Duc

I'm Duc, a solo founder from Vietnam

Building Mailszen — AI email management for Gmail and Outlook.
Solo founder, Vietnam. Currently in waitlist phase.

Recent activity

I built an AI tool for agencies, spent 40 days on SEO and community, and still have zero paying strangers. Here's what I'm seeing.

258 users in 2 days(Now 285) with zero ads — here's exactly how we did it (and the real problem we're solving)

I posted daily on Reddit for 3 months. Zero customers. Here's what I missed.