nagios and sendmail log entries (did not issue MAIL/EXPN/VRFY/ETRN)
Marc Powell
marc at ena.com
Wed Aug 10 23:12:41 CEST 2005
> -----Original Message-----
> From: nagios-users-admin at lists.sourceforge.net [mailto:nagios-users-
> admin at lists.sourceforge.net] On Behalf Of Marcus Sobchak
> Sent: Wednesday, August 10, 2005 3:46 PM
> To: nagios-users at lists.sourceforge.net
> Subject: [Nagios-users] nagios and sendmail log entries (did not issue
> MAIL/EXPN/VRFY/ETRN)
>
> Hi,
>
> nagios generates the follwing maillog entry each time it checks my
> sendmail
> (8.12.3):
>
> Aug 10 21:03:28 walter sm-mta[24243]: j7AJ3SoQ024243:
> nagios at urps.uni-bielefeld.de [129.70.12.152] did not issue
> MAIL/EXPN/VRFY/ETRN during connection to MTA
>
> # 'check_smtp' command definition
> define command {
> command_name check_smtp
> command_line /usr/lib/nagios/plugins/check_smtp -H
> $HOSTADDRESS$
> }
>
>
> using nagios 2:1.3-cvs.20050402-2.sarge.1 (debian sarge on sparc20)
>
> Any ideas how to disable this and make nagios doing a quite and silent
> job?
The check_smtp plugin in that release is a pretty simple plugin that connects to the SMTP server, looks for the banner then disconnects, that's it. It doesn't have any functionality to actually begin or complete an SMTP transaction, which would be required to avoid that error. Those errors are harmless and informational only as far as sendmail is concerned. If you're really concerned about them the same plugin in the 1.4 release has enhanced functionality to start an SMTP session or you might want to look at the check_email_loop.pl plugin in the contrib directory.
--
Marc
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