user@[x.x.x.x] reject policy: how?

[vadillo@rcp.net.pe (Enrique Vadillo)]

Hi,

I am using ZMailer 2.99.50-s5 on Sparc Solaris 2.6 and i would like to
reject mails from "user@[x.x.x.x]" or alike, my ZMailer server is relaying
mails from anywhere/anyone who sends "MAIL FROM: <user@[x.x.x.x]>"
when x.x.x.x is the IP of my ZMailer server..

Beyond that, i want to reject ALWAYS mails from whatever@[n.n.n.n], i don't
want to relay mails sent that way even if they come from authorized hosts.

My policy works OK for domain NAMES, but not with this "user@[x.x.x.x]"
format.

Thanks,

Enrique-
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