behind nat, error

[shjoity]

Sep 20 09:23:22 ubuntu804jeos postfix/smtp[16289]: 634DD20200: to=<**user@example.com**>, relay=127.0.0.1[127.0.0.1]:10024, delay=4.4, delays=4.1/0.05/0.06/0.18, dsn=4.5.0, status=deferred (host 127.0.0.1[127.0.0.1] said: 451 4.5.0 Error in processing, id=22189-04, parts_decode_ext FAILED: Unix utility file(1) not available, but is needed at (eval 85) line 113. (in reply to end of DATA command))

/etc/hosts
192.168.15.101 **example.com** ubuntu804jeos
75.165.85.175 mail.**example.com** ubuntu804jeos

i did apt-get install file and it installed and still got the error
domain is not example.com

running hardy jeos, have not had send or recieve work yet

[shjoity]

Sep 20 09:35:20 ubuntu804jeos postfix/lmtp[20170]: E428B2053E: to=<**user@example.com**>, relay=none, delay=2, delays=0.2/0.01/1.8/0, dsn=4.4.1, status=deferred (connect to example.com[75.165.85.174]: Connection refused)
Sep 20 09:35:20 ubuntu804jeos postfix/lmtp[20171]: connect to example.com[75.165.85.175]: Connection refused (port 7025)
Sep 20 09:35:20 ubuntu804jeos postfix/lmtp[20171]: 116FF20533: to=<**user@example.com**>, relay=none, delay=2, delays=0.19/0.02/1.8/0, dsn=4.4.1, status=deferred (connect to example.com[75.165.85.174]: Connection refused)


ok file is now wokring, how do i get it to realize that it is the destination? i have it set as 127.0.0.1 in hosts but it still trys to do a dns lookup and set to the external ip

[shjoity]

can send cannot recieve, it kekep trying to foward to the externel address

[shjoity]

Sep 20 10:29:49 ubuntu804jeos postfix/smtpd[6289]: NOQUEUE: reject: RCPT from rv-out-0506.google.com[209.85.198.229]: 550 5.1.1 <**user.example.com**>: Recipient address rejected: example.com; from=<*user*@gmail.com> to=<**user@example.com**> proto=ESMTP helo=