Now all is going O.K. I telnet relay-test.mail-abuse.org and the final line of the analysis says that "System appeared to reject relay attempts"
For anyone that can need it the only difference with my exim.conf of my last e-mail is that the line saying: local_domains_include_host_literals = true looks now like this local_domains_include_host_literals = false That means that my IP's are not recognized as locals. But now, when I run nessus it says another time that the remote SMTP accepts relay. I think the best analysis is the one made with the telnet action, do you agree with me? What do you think about nessus report? See you
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