FOR and FOREACH are completely interchangeable. I prefer the former, but either is fine.
I would suggest that you convince us (or yourself, at least) that $results contains what you expect, e.g. using Data::Dumper.
Update: it occurs to me that @sendoff is never defined. Did you really run this using strict? You don't seem to need $sendoff or @sendoff at all: just write
$template->param('results' => $results);
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