Manish Jethani spewed into the ether:

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Yes, but with vsnl as the smart host.

What is smart host? I am running a local smtp and I am able to send mails to almost anyone using almost any From address. I have not set smart host. What is the use of smart host?

A smart host is a machine which accepts mails from you and then delivers to the world. It takes the trouble of doing DNS lookups for you. This saves your bandwidth and lets you use your mail server to do fancy rewriting/adding those nasty legal signatures......

Devdas Bhagat -- Interview question on slashdot for potential system administrators: "Tell me a joke" A: Clickety-click. BZZZZZZZZZZTTT

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