Kevin J. Cummings wrote: Wow. That was a chore. It turned out that it was the exchange server - that I had to allow my local users the right to relay messages via the Exchange Server. That was part of the problem. I also had to fix my DNS entries so that my email server IP address uses local IP addresses rather than public ip addresses. Thank you all for responding and giving me the clues in finding my mistakes. * This message is sent to by Thunderbird Dan -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list