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

  Instantly check an email

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  Spam Check2015 · spamcheck.postmarkapp.com · ▲93

  A free JSON API to check your email messages' spam scores

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  You've Got Spam2020 · youvegotspam.mschfmag.com · ▲305

  A new tool that lets you spam back the spammer

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  Unspam AI2024 · unspam.email · ▲385

  See how your subscribers read your emails with our AI inbox

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  Free Spam Detector2025 · ▲4

  Multi-language Email spam check tool

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  Warmup Inbox2023 · warmupinbox.com · ▲204

  Free email spam checker & inbox placement tester

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  SimCity, but with Permits▲903

  A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.

  Life & fun · 1d ago · permit.petercai.com

• IV
  I've been paying for a rural Tanzanian's education for 10 years▲778

  Life & fun · 13d ago · tanzaniaeducationproject.org

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  Bigwords.page – Turn any screen into a sign. The URL is the app▲728

  Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.

  Life & fun · 14d ago · bigwords.page

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  Guitoro, a virtual guitar you strum with your keyboard▲573

  Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.

  Life & fun · 8d ago · guitoro.com

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  See *almost* any carriers phone settings▲432

  Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.

  Life & fun · 12d ago · carrierexplode.com

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  The whole Solar System and every tracked satellite, live in the browser▲407

  Life & fun · 22d ago · space.bl2.net

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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