About this plugin
Simple No-Bot uses javascript to detect if Contact Form 7 is being submitted by a spam bot.
We wrote this when clients were reporting hundreds of bogus contact forms were getting past Honeypot, but did not want to add a captcha that would impact conversions.
This lightweight script has been extremely effective for eliminating spam messages from Contact Form 7 (and other forms) submissions. It does not pretend to be a complete anti spam solution.
IMPORTANT
SNB REJECTS SUBMISSIONS UNLESS THE USER INTERACTS WITH THE FORM.
In earlier versions of SNB, the submit button was disabled until this threshold was met. php (see below).
In most cases it will be enabled after the user starts typing in the first field. It has not broken your form.
com/contact/ before posting a crappy review. Thanks.
New! Improved!
You can now hook Simple No Bot into any form. The filter below will return TRUE if bots are detected.
$is_spam = FALSE; // you can use whatever flag is being used by your plugin. $is_spam = apply_filters( 'snb_test_spam', $is_spam );
We have added additional analysis to detect pesky bots that can mimic browsers and run scripts.
SNB now keeps a list of IPs as they are flagged as spam and automatically fails them. The oldest IPs are pruned when it reaches 100 (or SNB_MAX_SPAM_IPS, see below). snb_flush=true as Admin to flush all spam IPs.
php:
define( 'SNB_DISABLE_SUBMIT', TRUE );
Other configurable options:
define( 'SNB_SPAM_THRESHOLD', 2 ); // maximum score before being considered spam define( 'SNB_MIN_EVENTS', 2 ); // minimum number of events required to fetch token define( 'SNB_BLOCK_SPAM_IPS', TRUE ); // use IP blocking on hard fails define( 'SNB_SPAM_IP_LIFESPAN', 60 * 60 * 24 * 30 ); // time before spam ips expire - default 30 days define( 'SNB_MAX_SPAM_IPS', 100 ); // max number of IPs to store before rotating define( 'SNB_SESSION_LIFESPAN', 60 * 30 ); // time token is valid to send message - default 30 minutes<h3>Support</h3>
com/contact/
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