Kyle is right. You can use: # sendmail -f <a href="mailto:from@address.com">from@address.com</a> ..... or for mail you can give header information: # mail -a "From: <a href="mailto:from@address.com">from@address.com </a>" ..... <div>2007/3/23, Robin Mordasiewicz <<a href="mailto:rmordasiewicz@samuelmanutech.com">rmordasiewicz@samuelmanutech.com</a>>:<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> What are people doing in order to set the From: email address that notifications appear to come from. When using mail the email notifications appear to come from the username@host which nagios runs. -- ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash <a href="http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV">http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV </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"> 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>