Assuming that you trust the contents of the "netapps" file (who has write permission on that?), and you don't have any worries about using rsh instead of ssh (which is what I would use) -- and assuming that the local host is a *n*x box of some sort with its own mailer daemon -- here is a simple way:

my $recipient = "somebody@somewhere.dom";

while (<IN>) {
    chomp;
    system( "rsh $_ snapmirror status | mail $recipient" );
}
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The default behavior of rsh (or ssh) is to attach the remote process's STDOUT to the local process STDOUT (in this case, the STDOUT of the shell being spawned by "system()"), so you can pipe the output of the rsh'ed command to some other (local) process on the same command line.