[hobbit] Service SMTP on xxxxxx is not OK : Unexpected service response

T.J. Yang tj_yang at hotmail.com
Thu Jun 26 03:36:22 CEST 2008

It is not just MS's smtp server, older sendmail versions will also trigger false alerts also.
I got a Solaris 2.6 running very old version of sendmail and keep triggering false alerts.
In the end, I gave up on monitoring that particular sendmail server. 


From: White, Bruce 
Sent: Wednesday, June 25, 2008 5:06 PM
To: 'hobbit at hswn.dk' 
Subject: RE: [hobbit] Service SMTP on xxxxxx is not OK : Unexpected service response

We had a similar problem with our exchange server until I changed the bb-services file to be:



   send "helo\r\nquit\r\n"

   expect "220"

   options banner

   port 25


Now the exchange response to smtp is much more stable, but my linux sendmail servers complain more often.   I guess I need to make a smtpex with the above and restore the original smtp definition, which seemed to work better with Linux.   Why can't MS just do things to standards?






From: Geoff Hallford [mailto:geoff.hallford at gmail.com] 
Sent: Wednesday, June 25, 2008 11:53 AM
To: hobbit at hswn.dk
Subject: Re: [hobbit] Service smtp on xxxxxx is not OK : Unexpected service response


I have also seen this happen when the response is slow from the mail server to show the 220 message. It does show it but is slow for some reason. I create a new service called smtp-slow by adding the following and then configure the bb-hosts entry with 'smtp-slow' instead of smtp. Just a thought.


This way it doesn't require a 220 response but if it gets a valid "connection" it is okay. If it can't open a connection, it goes red. It does limit the amount of app validation but it is the only thing that worked in my case.


   send "mail\r\nquit\r\n"
   options banner
   port 25

On Wed, Jun 25, 2008 at 12:31 PM, Andrew Clarke <andrew at bccit.co.uk> wrote:

As it happens, there are PIXs between the hobbit server & all the
Exchange servers. However, they've all been there for ages (years in
some cases).

I'll have a chat with our resident Cisco guru & see if he made any
changes at our end around 6th June, when things stopped working.

Andrew Clarke
Support and Technical Development Officer
BCC IT Solutions
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-----Original Message-----

From: Rob MacGregor [mailto:rob.macgregor at gmail.com]

You wouldn't happen to have a Cisco PIX/ASA between the hobbit host and
the mail server, with it configured to do "fixup"?  Those are known for
breaking things ;)

Rob MacGregor

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