HELO mail.external.tld
MAIL FROM: user@external.tld
RCPT TO: user2@otherdomain.tld
DATA
From: Sieve-pipe-test <sieve.pipe@external.tld>
To: Existing Local User <user2@otherdomain.tld>
Date: Sat, 22 May 2010 07:43:25 -0400
Subject: Sieve pipe test message
This is a test mail to sieve pipe.

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QUIT