Protect your forms against spam with a hidden hash-validation-field.
** Note: The latest version can always be grabbed with "git clone git://github.com/symphonists/canofspam.git" **
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Upload
\canofspam
in this archive to your Symphony\extensions
folder. -
Enable it by selecting the "Can Of Spam", choose "Enable/Install" from the with-selected menu, then click Apply.
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Add the "Can Of Spam" event to your page (adds the hash to the param pool).
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Add the "Can Of Spam" filter to your section event (validates the submitted hash).
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Add a hidden "Can Of Spam" field to your form (contains the hash from the param pool).
<input name="canofspam" value="{$canofspam}" type="hidden" />