SMTP Debug Tool

Test and debug your SMTP connection. Quickly and for free.

449 followers

Test and debug your SMTP connection. Quickly and for free.

449 followers

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Issue tracking software

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Testing and QA software

SMTP Debug Tool is an accessible technology tool for developers, maintainers, and owners of websites and apps to check the SMTP connection and see full logs of the session online. Available for free on any browser.

Free

Launch tags:Email•Software Engineering•Developer Tools

Launch Team

Framer AI AgentsDesign and publish professional sites with AI

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SMTP Debug Tool

Maker

📌

👋 Hello, Product Hunters! :) 🎯 I am the CTO and Co-Founder of UniOne, the service that sends billions of emails. We’ve been helping our users with reliable email delivery for years, and we practically know how challenging it is sometimes to find out why messages don’t reach their destinations. For example, one of our customers failed to send a crucial email campaign with the tickets to the business event and believed it was our fault. We were very disappointed with that situation because reliability and client satisfaction are overall for us. Yet, we could hardly prove that our system's performance was alright since we lacked information about possible user infrastructure issues. That case made me realize that we need a tool to run the SMTP session and display its complete log in real-time to see whether the connection is successful or define possible issues and their reasons. 🚀 First, we've made an internal tool for testing and debugging the SMTP session to understand better what can go wrong and provide our customers with the correct solutions. It became beneficial to our clients and us while being very easy to use. Lots of our users asked us to share such a tool with them. This is how we decided to create a free SMTP Debug Tool for a broad audience. When we started working on making this service public, we faced some extra concerns. On the one hand, even though our basic version of the SMTP Test was instrumental when setting the SMTP, using it with the existing connection wasn't very convenient. Thus, we upgraded it and added the SMTP Proxy feature for logging sendings in a previously settled environment. Meanwhile, receiving feedback from our pioneer users, we defined that some of them were concerned about the privacy and security of their credentials. And while for the customers who knew us many years before, it was enough that all the sessions were encrypted, the others seemed a bit suspicious about safety. This is why we made one extra add-on allowing users to check the SMTP connection without transferring sensitive data to us. We called it SMTP Blackhole, as it keeps all the secrets untold ;) Thus, I'd like to introduce you to a fast, easy, and multifunctional way to inspect and fix possible mistakes in any SMTP session :) ✨ SMTP Debug Tool is handy for: - Discovering which errors can exist in your SMTP session with no coding; - Debugging your SMTP connection; - Testing the technical settings and extra parameters like the email's subject body. 🎁 SMTP Debug Tool is fully free of charge, and the basic functions are available even with no registration! 🙌 🙏 This idea has taken me almost 3 years, so I’m excited to share it with you and genuinely interested in hearing your thoughts. 💌 Thanks to everyone who already used it and supported my work! I look forward to hearing from you with any feedback, ideas, or suggestions.

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3yr ago

Corbado

@alex_kachalov very cool product - I have felt the struggle of setting up custom SMTP servers a lot , thanks - and congrats on the launch!

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3yr ago

SMTP Debug Tool

Maker

@vdelitz Thank you! We are delighted to know you find it helpful!

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3yr ago

Did you use Agile/Scrub to build it? I am a solopreneur in a sense, so I wonder whether it applies to projects that are not that big

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3yr ago

SMTP Debug Tool

Maker

@sigmund1 Thank you for your question! Yeah, I guess we used Agile while building this project to manage it better during all phases. I hope it will help!

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3yr ago

Selzy

It seems like a great pool for troubleshooting. Will definitely give it a try. Are you planning on keeping it free?

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3yr ago

SMTP Debug Tool

Maker

@tatevik_bidzhoian Thank you for your support! Yes, the SMTP Debug Tool will remain free as our contribution to the community. At the same time, if some users need another reliable solution to help with email delivery, we have another product to offer. ;)

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3yr ago

SMTP Debug Tool

Maker

Hi there! 🙌 I'm also happy to share this product with you, and I genuinely hope you'll find it helpful! 🤝 Our team worked hard for a year to represent it, and now I can't wait to get your feedback! 🫶

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3yr ago

Crustdata

Congratulations to the SMTP Debug Tool team on your Producthunt launch! The accessibility and ease-of-use of your tool will indeed be a game-changer for developers and website owners. As a small suggestion, perhaps you could consider creating a mobile application version to further enhance its accessibility and increase its user base. Keep up the amazing work!

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3yr ago

SMTP Debug Tool

Maker

@manmohit Thank you for your support and suggestion! Actually, we didn’t think that debugging the SMTP session is something that could be done from the mobile app. :) Yet, in the future, why not ;)

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3yr ago

Outcome

@alex_kachalov Congrats on the launch! Very neat tool that I have relayed up to our development team! A little over my head but it seems like it could be very useful for teams!

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3yr ago

SMTP Debug Tool

Maker

@dzaitzow Thanks a lot for your support! I believe your development team will definitely find it useful, and we’ll be happy to know any feedback from them. 😉

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3yr ago

Wow amazing. Mind blowing idea. I love it very nice and very useful product. I really like it very much and also appreciate it.

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3yr ago

SMTP Debug Tool

Maker

@biplab_debnath1 Thanks a ton for your kind words! We really hope it becomes a handy tool for many users!

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3yr ago

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