Net::SFTP::Foreign->new() does not die on failure. You need to call the error method afterwards: 
$sftp = Net::SFTP::Foreign->new("$user\@$host");
$sftp->error and die "unable to connect to remote host: " . $sftp->err
+or;

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In reply to Re: trying to get Net::SFTP::Foreign to work by salva
in thread trying to get Net::SFTP::Foreign to work by misterperl

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