What does the log say currently, just connection refused?
What you describe "feels" more like an issue outside of sendmail at any rate. Can you telnet to port 25 of the mail host you are trying to reach? Could be a networking issue in between the sendmail host and the ISP mail host?
Sendmail troubleshooting
What does the log say currently, just connection refused?
What you describe "feels" more like an issue outside of sendmail at any rate. Can you telnet to port 25 of the mail host you are trying to reach? Could be a networking issue in between the sendmail host and the ISP mail host?