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From: John Brahy (jbrahy
calistolabs.com)
Date: Wed Dec 22 2010 - 19:40:59 CST
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Should I be worried when I see: root+:|sleep 5 as the username?
---------- Forwarded message ----------
From: Mail Delivery System <MAILER-DAEMONsomeserver.com>
Date: Wed, Dec 22, 2010 at 02:33
Subject: Postfix SMTP server: errors from sc4-scan54.someserver.com[x.x.x.x]
To: Postmaster <postmastersomeserver.com>
Transcript of session follows.
Out: 220 someserver.com ESMTP Postfix
In: HELO calistolabs.com
Out: 250 someserver.com
In: MAIL FROM: <root[x.x.x.x]>
Out: 250 2.1.0 Ok
In: RCPT TO: root+:"|sleep 5 #"
Out: 550 5.1.1 <root+:|sleep 5 #>: Recipient address rejected: User unknown in
local recipient table
Session aborted, reason: lost connection
For other details, see the local mail logfile
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