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Date: Sun, 21 May 2006 10:36:40 +0100
From: Howard Jones <howie@thingy.com>
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To: Imran Imtiaz <imran@darkstar.thelakecity.com.pk>
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Cc: freebsd-questions@freebsd.org
Subject: Re: [freebsd-questions] what does this mean
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Imran Imtiaz wrote:
> i've seen the following log in my messages can any body tell me what does it mean?
>
> May 21 02:50:29 darkstar sm-mta[55021]: k4KLoTeq055021: localhost [127.0.0.1] did not issue MAIL/EXPN/VRFY/ETRN during connection to MSA
>   
Do you run something like Nagios or BigBrother on your system? I see 
this in my logs when our network monitor connects to check port 25 is 
still responding. You would see it at regular intervals in that case.

Of course, you or one of your users telnetting to port 25 manually would 
do the same thing.

Best Regards,

Howie