Try a template with the following contents (note that HTML escaping ensures that your variable contents displays correctly):

<!-- TMPL_LOOP NAME='myloop' -->
  <fieldset class="fb_set" id="person<!-- TMPL_VAR NAME='id' -->">
    <p>Your email address:
      <!-- TMPL_VAR NAME='email' ESCAPE='html' -->
  </fieldset>
<!-- /TMPL_LOOP -->
[download]

Now, you need to get id and email references into an array for the template. Let's assume you have a hash called people that is indexed by id. So you'd write Perl code like this:

my $tmpl = HTML::Template->new( ... );

my @loopvar = ();
foreach my $id ( keys %people ) {
    my $email = $people{$id}->{email};

    my %rowhash = (
        id => $id,
        email => $email,
    );

    push( @loopvar, \%rowhash );
}

$tmpl->param( myloop => \@loopvar );
[download]

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