Security Admin (NetSec) <[EMAIL PROTECTED]> wrote: > One of my network devices seems to have issues with its hostname: > > "Unexpected error from e-mail server(state=3): 504 5.5.2 > <dazedandconfused>: Helo command rejected: need fully-qualified > hostname." > > Appears in my event log of the device when it tries to send logs to my > Postfix gateway server. Is there a filter I can add via main.cf to > allow just this host/IP address without needed the full hostname (which > my device has suddenly not to give :) ) You can probably use a check_helo_access map in your smtpd_*_checks before you reject_non_fqdn_helo_hostname, but please provide the output of postconf -n and read:
http://www.postfix.org/DEBUG_README.html#mail -- Sahil Tandon <[EMAIL PROTECTED]>