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Old 19th December 2010, 19:28
Rocky Rocky is offline
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Ok, yes, so you can skip the entire relay_recipient script section because your system is setup for look_ahead.

Your setup will send a dummy mail to your exchange to verify(look_ahead) to make sure the user exists. If the user doesn't exist, exchange will reply saying so and postfix will drop the connection. However, you must have exchange setup to act that way if the user doesn't exist.
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