Josh Zerlan writes:
[root@cm log]# telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
HELO localhost
220 cm ESMTP
250-cm Ok.
250-XVERP=Courier
250-XEXDATA
250-XSECURITY=NONE,STARTTLS
250-PIPELINING
250-8BITMIME
250-SIZE
250 DSN
MAIL FROM:<test at cm.pcslab.com>
250 Ok.
RCPT TO:<me at cm.pcslab.com>
432 Service temporarily unavailable.
Regardless of the RCPT to destination, courier returns the 432 error.
I'm not sure what other information I can supply, I'll be happy to supply
Try checking your syslog files for any errors reported within the previous
couple of minutes.