# Reject anybody that HELO's as being in our own domain(s)
# (Note that if you followed the order suggested in the main.cf
# examples, above, that machines in mynetworks will be okay.)
domain1.tld			REJECT	Your machine is not part of domain1.tld. Forgery is not tolerated here.
domain2.tld			REJECT	Your machine is not part of domain2.tld. Forgery is not tolerated here.
domain3.tld			REJECT	Your machine is not part of domain3.tld. Forgery is not tolerated here.
domain4.tld			REJECT	Your machine is not part of domain4.tld. Forgery is not tolerated here.
domain5.tld			REJECT	Your machine is not part of domain5.tld. Forgery is not tolerated here.
domain6.tld			REJECT	Your machine is not part of domain6.tld. Forgery is not tolerated here.
domain7.tld			REJECT	Your machine is not part of domain7.tld. Forgery is not tolerated here.
localhost			REJECT	Your machine is not part of this network. Forgery is not tolerated here.
localhost.localdomain		REJECT	Your machine is not part of this network. Forgery is not tolerated here.
123.123.123.123			REJECT	Your machine is not part of this network. Forgery is not tolerated here.

# Reject HELO's that are simply not allowed here.
main.org			REJECT	Potential VIRUS detected! Ex1
main.net			REJECT	Potential VIRUS detected! Ex2
main.com			REJECT	Potential VIRUS detected! Ex3