Please upgrade here. These earlier versions are no longer being updated and have security issues.
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a modification if you use captcha with this plugin and you want to deter spammers more effectively
This discussion is related to the BotStop addon.
if you also want discovery text (why do you want to join). with captcha in vanilla 2.0.18.x
<li> <?php echo $this->Form->CheckBox('TermsOfService', $TermsOfServiceText, array('value' => '1'));
</li> <?php echo $this->Form->Label('Why do you want to join?', 'DiscoveryText'); echo $this->Form->TextBox('DiscoveryText', array('MultiLine' => TRUE, 'Wrap' => TRUE)); ?> </li> <li> <?php echo $this->Form->CheckBox('TermsOfService', $TermsOfServiceText, array('value' => '1'));
then you can also use this plugin more effectively with captcha authentication method.
I may not provide the completed solution you might desire, but I do try to provide honest suggestions to help you solve your issue.