basteon: > sorry, I mean this host when talk about MS exchange server: > > Jun 16 14:48:21 mail postfix/smtp[13974]: 36CC478001C: > to=<u...@primorsky.ru>, relay=mail.primorsky.ru[80.89.7.143]:25, > delay=2339, delays=2338/0/1.1/0, dsn=4.3.0, status=deferred (local > data error while talking to mail.primorsky.ru[80.89.7.143])
And at the same moment in time, the SMTP client logs a warning message with the name of the lookup table that is failing. If your syslog server logs warnings in a different file, look there. Wietse