He already knows that sendmail accepts connections. Maillog is of no help (maybe with a higher log level, I know that you can get even more info with 14). He has to identify the cause of the timeout and the first step is to identify the phase where it happens.
Kai
Hi folks,
Name resolution is, absolutely, the issue. I'll post the resolution once I've figured it out, but something on the LAN must have changed to coincide with this behavioral change in sendmail.
My thanks to all who replied.
Regards, -Ray