#email diagnostics

Tagged: email diagnostics

07 Jul 2026Sam wallness

SMTP Logging Best Practices: What to Record, Store, and Review

SMTP logs are your primary tool for diagnosing delivery failures and detecting abuse — but only if they're capturing the right data. Learn what to log, how long to keep it, and how to make log analysis practical for your team.

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How to Read Email Headers: A Practical Guide to Diagnosing Delivery Problems

Deliverability

07 Jul 2026Sam wallness

How to Read Email Headers: A Practical Guide to Diagnosing Delivery Problems

Email headers document every hop a message takes — authentication results, timestamps, and server paths. Knowing how to read them turns a mysterious delivery failure into a traceable, fixable problem.

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