On Thu, 2005-05-26 at 03:41, Marcus O. White wrote: > Have you looked in the /var/log/maillog or /var/log/messages for > additional information. This could also be a DNS issue, where the Yahoo > mailserver attempts to perform a reverse lookup of the sending server. > The other thing that you may want to do is use your ISP's mailserver as > a "smart relay". This would require modifying your /etc/mail/sendmail.cf > file. I *have* my ISP as "SMART_HOST". I *still* get nameserver timeouts from several different ISPs including Yahoo and AOL. I don't know *what* their stinking problem *is*. We have *not* received *any* answer from these yahoos. If anyone has any ideas, please post them. Thank you. -- Bob R. Taylor <brtaylor@xxxxxxxxxxxxxxxx>