How to Analyze SMTP Logs and Extract Email Traffic (PHP Script)

Working with mail servers? Then you already know one thing: 👉 SMTP logs are messy. When a client asks: “Can you send me only my email logs?” You’re stuck with a huge log file containing thousands of mixed records. In this post, I’ll show you a simple but powerful way to extract a specific email’s traffic from SMTP logs using PHP. 🚨 The Problem SMTP logs are not structured per email. Instead, they look like this: SMTP-IN 63EBA13D... 20.57..79 EHLO SMTP-IN 63EBA13D... 20.57..79