Now I see what is going on. Any ideas?
Aug 5 12:27:17 vaossws03 sendmail[13121]: [ID 801593 mail.info] i7153MZ04572: to=user@domain.com, ctladdr=root (0/1), delay=4+05:23:55, xdelay=00:00:00, mailer=relay, pri=37358000, relay=mailhost.oss1, dsn=4.0.0, stat=Deferred: Connection refused by...