I need to check whether a message has been sent from one of our
own networks which are of form
a.b.c.d/19
e.f.g.h/20
j.k.l.m/21
Is there an easier way than a long-winded check on $sender_host_address
with net19-lsearch;/my/networks
net20-lsearch;/my/networks and then
net21-lsearch;/my/networks
Dave
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Dave Lewney
Unix System Manager Email: D.M.Lewney@???
University of Brighton phone: 01273 642669
UK fax: 01273 642666