dee

The premium Open Source alternative to Postmark

🎯 Best for:Developers debugging SMTP handshake failures and email authentication errors.
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What is dee?

A diagnostic tool for analyzing SMTP 550 error codes and gsmtp delivery failures. It allows developers to inspect DKIM signatures and multipart MIME structures in bounced messages to resolve deliverability issues.

Tech Stack
UnknownMonitoring & Logs

Why dee?

  • Detailed error code mapping
  • MIME structure visibility
  • Zero cost

Limitations

  • Steep learning curve
  • Manual log collection
  • No real-time alerts
1/8/2018
Last Update
0
Forks
0
Issues
Unknown
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to dee instantly boosts your runway.

Competitor Cost
-$1,440
/ year (est. based on Postmark)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

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