Folderly

In plain words

Folderly is an AI-powered email deliverability platform that helps businesses monitor, test, and prevent spam issues to achieve 99.9% inbox placement rates. It offers free tools including spam word checking and SPF/DMARC record generators. The platform is designed for sales and email marketing teams who need to ensure their campaigns reach customer inboxes reliably.

written from the facts on this page · September 2026

From the sources

Folderly is a one-stop-shop solution based on AI that covers all aspects of email deliverability: monitoring, testing, and preventing spam issues. Free email spam words checker, SPF, and DMARC record generators. Reach inboxes with every email sent.

Folderly

Don't see your ESP on the list? Request a demo and we'll show you how Folderly can work with the tools you already use. Discover Folderly customers’ success and see how best-practice infrastructure can unlock new levels of email marketingfrom folderly.com

• 
  Folderly AI2025 · generate.folderly.com · ▲235

  AI-generated emails that hit the inbox and get replies

• 
  Mailivery2021 · mailivery.io · ▲251

  Reach the inbox, not the spam folder

• 
  SlashyJun 2026 · slashy.com · ▲474

  The AI assistant that does email for you

• 
  Warmy.io2024 · warmy.io · ▲417

  Boost your email deliverability with an AI driven algorithm

• 
  Mailgo2025 · mailgo.ai · ▲469

  AI-powered cold email platform that boosts deliverability

• 
  Hello InboxAug 2026 · helloinbox.email · ▲283

  Hey HN, I built an email deliverability SaaS with a RAG system. It's trained on all my knowledge and hundreds of real deliverability use cases from 4+ years experience as an Email Deliverability Specialist on Upwork. It solves a frustration problem a lot of businesses are experiencing. I'm looking for feedback so let me know in the comments.

• 
  WallHop – 12ft.io is gone, so I built a replacement▲287

  wallhop is a free paywall bypass. Paste any article link to read it without paywall popups, ads or clutter. No signup, no extension. A simple 12ft.io alternative.

  Growth · 11d ago · wallhop.io

• 
  Prefer▲201

  The execution layer for AEO

  Growth · 22d ago · tryprefer.com

• 
  MakerMap▲197

  A living map of makers and what they’re building

  Growth · 26d ago · makermap.lol

• 
  Flowla▲1,119

  Digital sales rooms that wow buyers

  Growth · 2023 · flowla.com

• 
  Passionfroot Discovery▲962

  Discover & book top creators to promote your product

  Growth · 2023 · passionfroot.me

• 
  Re:catch▲939

  If Google Form & Calendly had a baby

  Growth · 2023 · recatch.cc

• 
  Pitch 2.0▲886

  Create, share and analyze presentations faster than ever

  Work · 2023 · pitch.com

• 
  LeadDelta 3.0▲883

  CRM built for modern teams & creators powered by AI

  AI · 2023 · leaddelta.com

• 
  SpeedVitals▲829

  Hi HN, I’m Kashish, one of the co-founders of SpeedVitals, a platform for testing & monitoring website performance with a major emphasis on Core Web Vitals. Until now, our platform has only focused on Synthetic/Lab testing, such as Lighthouse tests and TTFB tests. But now, we have developed a Real-User Monitoring platform that doubles up as a Web Analytics tool. One major feature we have that most RUM tools lack is Performance Audits. Just like Lighthouse audits work on Lab test data, our audits work across all the real-user visits and gives suggestions on what task to prioritize first.…

  Dev tools · 2023 · speedvitals.com