<[log in to unmask]> Last error was: 550 5.7.1 Unknown domain "mci2000.com" Cannot send to: [log in to unmask] Received lots of bounces including some auto-dels for [log in to unmask] Checking the authoritative DNSes this a.m. makes it seem like the problem has been resolved. I did NOT pursue a related bounce: <[log in to unmask]> Last error: 550 5.7.1 Unknown domain "internetmci.com" Cannot send to: /Pete