mails.so

What it does

Check if an email address is valid for free. Prevent fraud, dodge fake users, and preserve your sender reputation.

• 
  Free Email Verifier2020 · ▲202

  The first free and accurate email verification service

• 
  Email Verify API2021 · ▲92

  Simple email validation API for a $39 lifetime license

• 
  Validate Email – 100% Free & Private2025 · ▲28

  Instant Email Verification – Real, Reachable & Secure

• 
  Bulk Email Verifier & Checker2023 · ▲115

  The top tool for checking mail address authenticity

• 
  Self host Email ValidationJan 2026 · ▲51

  Cleanmails - Unlimited email verification

• 
  Email Validator API Oct 2025 · thirsty-melisse-hardcode-c2fce731.koyeb.app · ▲7

  It tells you if a Email is valid or not

• 
  Browzer▲428

  Put your technical content on autopilot

  Growth · 15d ago · trybrowzer.com

• 
  buzzabout▲1,267

  Audience insights from 1B+ online discussions in 2 mins

  AI · 2024 · buzzabout.ai

• 
  bolt.new▲1,233

  Prompt, run, edit & deploy full-stack web apps

  AI · 2024 · bolt.new

• 
  Feta▲1,217

  Run smarter stand-ups, build better products

  AI · 2024 · feta.io

• 
  Trag▲955

  AI code review companion

  AI · 2024 · usetrag.com

• 
  Softr for Notion▲925

  Turn Notion databases into portals & apps with no code

  Dev tools · 2024 · softr.io

• 
  General Collaboration▲910

  One inbox for all your work discussions

  Work · 2024 · generalcollaboration.com