Verify Your Email Security With tcpdump

LinuxPlanet: “…being an untrusting soul as all wise network administrators are, I can use tcpdump to verify that encryption is working. Here is what a plain unencrypted POP mail session looks like. This is an abbreviated example showing only the initial three-way TCP handshake. You can do this yourself by firing up tcpdump, then checking mail. Ctrl+C stops it:”

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