If you are looking for ways in preventing spam in web forms, you can harden your site in a few ways to ensure only actual humans are entering your site
Marking Spammy Contacts as “Spam”
By marking a contact as “spam” in MBR CRM their IP address is blacklisted and submissions from that IP address will no longer be accepted and the form will show a generic error.
To mark a contact as spam simply find their record in the contact list and click the “Spam” link.
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The affected IP address is added to the Keyword Blacklist (explained more below).
Using the Keyword Blacklist
WordPress by default has a content moderation tool called the keyword blacklist. MBR CRM will check this blacklist by default for any spammy words in a form submission, as well as check the contact’s email address and IP address.
You can add or remove keywords from the blacklist by going to Settings > Discussion > Comment Moderation.
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If you want to get a head start,?copy this list of spammy keywords?to lock down your forms now.