Did you also do printf ‘this is a test’ | /bin/mail –s test_email <a href="mailto:email@mydomain.com" target="_blank">email@mydomain.com</a> ? <div class="gmail_quote">On Wed, Nov 30, 2011 at 9:09 PM, Nick Price <<a href="mailto:np121@hotmail.com">np121@hotmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"> <div link="blue" vlink="purple" lang="EN-US"><div>The defaults are there. I did echo ‘this is a test’ | /bin/mail –s test_email <a href="mailto:email@mydomain.com" target="_blank">email@mydomain.com</a> That went out Ok What to look at next <div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0cm 0cm 0cm">From: Claudio Kuenzler [mailto:<a href="mailto:ck@claudiokuenzler.com" target="_blank">ck@claudiokuenzler.com</a>] Sent: Wednesday, November 30, 2011 12:37 To: Nagios Users List Subject: Re: [Nagios-users] notification emails</div><div><div></div><div class="h5"> Did you check the command which is used to send notifications in command.cfg or checkcommand.cfg ? Maybe you don't have the binary or you need to rename the command. By default it uses /usr/bin/printf and /usr/bin/mail if I'm not mistaken.<div>On Wed, Nov 30, 2011 at 9:23 AM, Nick Price <<a href="mailto:np121@hotmail.com" target="_blank">np121@hotmail.com</a>> wrote: Hello I am not sure if this is a bug or config issue. I have a clean install of fedora 16 32 bit with a manual install of nagios 3.3.1 and nagios plugins 1.4.15. I see in the debug log Notification viability test failed. No notification will be sent out. I can send test emails from this server using sendmail and that bit works Is there a solution for this. Regards Nick ------------------------------------------------------------------------------ All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. <a href="http://p.sf.net/sfu/splunk-novd2d" target="_blank">http://p.sf.net/sfu/splunk-novd2d</a> _______________________________________________ Nagios-users mailing list <a href="mailto:Nagios-users@lists.sourceforge.net" target="_blank">Nagios-users@lists.sourceforge.net</a> <a href="https://lists.sourceforge.net/lists/listinfo/nagios-users" target="_blank">https://lists.sourceforge.net/lists/listinfo/nagios-users</a> ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null</div> </div></div></div></div> ------------------------------------------------------------------------------ All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. <a href="http://p.sf.net/sfu/splunk-novd2d" target="_blank">http://p.sf.net/sfu/splunk-novd2d</a> _______________________________________________ Nagios-users mailing list <a href="mailto:Nagios-users@lists.sourceforge.net">Nagios-users@lists.sourceforge.net</a> <a href="https://lists.sourceforge.net/lists/listinfo/nagios-users" target="_blank">https://lists.sourceforge.net/lists/listinfo/nagios-users</a> ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null </blockquote></div>