Spam Check

What it does

Instantly check an email

Have you ever wanted to process the spam score of incoming or outgoing email messages, but didn’t want the hassle of managing SpamAssassin? Now you can use our lightweight JSON API and instantly integrate spam score processing in your app. This service is provided for free from Postmark , the transactional email service for webfrom spamcheck.postmarkapp.com

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  Email Validator!2015 · garridodiaz.com · ▲193

  Free JSON API that gives you a simple way to validate emails

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  A free tool to easily check your SpamAssasin Score2015 · spamcheck.postmarkapp.com · ▲12

  Instantly check an email

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  Email Spam Checker by Autoklose2020 · app.autoklose.com · ▲105

  Send spam-free, high-converting emails

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  Spam Checker by Mailmeteor2022 · mailmeteor.com · ▲88

  Detect and remove spam words in your emails

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  Unspam.email2020 · unspam.email · ▲299

  Email spam checker and newsletter heatmap prediction.

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  Mail Tester2016 · mail-tester.com · ▲309

  Test the spamminess of your email

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  /dev/null▲482

  a social network for devs

  Dev tools · 2d ago · dev-null.sh

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  Whiteboard (YC W26) – an open-source IDE for thoughtful software design▲423

  open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

  Dev tools · 27d ago · github.com

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  Reladraw – A diagram language where you decide where to place things▲411

  Contribute to reladraw/reladraw development by creating an account on GitHub.

  Dev tools · 25d ago · github.com

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  OpenBot▲362

  Grok Bot alternative: free, local, open-source, multiplayer

  Dev tools · 22d ago · openbot.run

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  Talanoa▲343

  Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

  Dev tools · 20d ago · talanoa.email

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  CoreSpeed▲332

  One MCP for everything your agents need: apps, memory, tools

  Dev tools · 28d ago · corespeed.io

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  Startup Launch List▲1,251

  A​rticles you need to read before launching a startup.

  Growth · 2015 · startuplaunchlist.com

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  Clearbit Company Logo API▲693

  Get any site's company logo with just a URL

  Dev tools · 2015 · clearbit.com

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  Product Hunt Games▲686

  The best new games, every day

  Life & fun · 2015

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  Coverr▲584

  Beautiful, free videos for your homepage background.

  Work · 2015 · coverr.co

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  SLIDE▲563

  A hoverboard by Lexus (no joke)

  Life & fun · 2015

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  Lapa Ninja▲560

  The Best Landing Page Inspiration

  Work · 2015 · lapa.ninja