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I have a requirement to be able to monitor a postfix queue over time, and to determine whether any messages are delayed due to problems connecting to a remote servers. The mail system concerned is pretty simple; messages are generated locally and relayed to a remote server across a VPN. While I can monitor connectivity to port 25 on the remote server, that doesn't guarantee that it would accept a message for onward delivery; I need to be able to notice delivery issues and initiate a meatware interface. Once the message is accepted by the remote server, onward delivery is monitored by another system that I have no control over. I believe I am limited to monitoring the local mail queue to see if messages are being deferred, and reporting accordingly? The postqueue(1) command doesn't appear to generate output in a format particularly useful for scripts to parse, so is there another tool I can use or is there better way to approach this problem? Regards, Mark. - -- Mark Watts BSc RHCE Senior Systems Engineer, Secure Managed Hosting www.QinetiQ.com QinetiQ - Delivering customer-focused solutions GPG Key: http://www.linux-corner.info/mwatts.gpg -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/ iEYEARECAAYFAkzultIACgkQBn4EFUVUIO12BACg+dN8IS1m9B0hBCmPEobBoUJs koAAoMBATaCVSxfHw4A0JM42SfEMXt3d =2dAI -----END PGP SIGNATURE-----