> >Sep 19 14:08:18 dns2 postfix/smtpd[11282]: CA860181245: reject: RCPT
> >from burnia.dmz.health.nsw.gov.au[203.5.110.252]: 554 <[203.5.110.194]>:
> >Helo command rejected: ACL helo_hostnames_regexp HELO/EHLO hostname must
> >not contain an IP address, HELO = [203.5.110.194];
> >from=<[EMAIL PROTECTED]> to=<[EMAIL PROTECTED]>
> >proto=SMTP helo=<[203.5.110.194]>
> ></snip>

ok, everybody, let's add this to the top of your helo_hostnames.regexp

/\[[0-9]{2,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\]/ DUNNO

HOWEVER, if the spammers put _your_ IMGate's IP in [] as THEIR helo field, 
then that's a reject.

eg, for my mgw1.meiway.com, that would be:

/(\[212\.73\.210\.75\])/ REJECT  IP must not contain an IP address, HELO = $1



Len


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