Gravity Perks Blocklist
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About Gravity Perks Blocklist
Spammers keep testing your form until they find the gap
A public form receives everything: SEO pitches, emails from disposable domains, usernames that imitate the administrator and promo codes that should never have circulated. And whoever sends spam doesn't give up after the first error: they try variations to see what happens. That's why a filter that only rejects with a red message shows them where the limit is.
Gravity Perks Blocklist is an add-on for Gravity Forms that checks what the visitor types against a list of forbidden words and, if there's a match, blocks the submission.
One list for comments and forms
You don't have to maintain a new list. The plugin uses the WordPress Disallowed Comment Keys (Settings > Discussion), with one word, phrase or IP address per line. What you already block in comments is also blocked in your forms.
- A single field: you enable it in the field's Perks tab, useful when you only worry about the free-text message or the username.
- The whole form: you enable it in the Restrictions section of the form settings and all supported fields are checked on submit.
- IP ranges: besides single IPs, you can block whole ranges using CIDR notation.
If a field fails, the visitor sees an error telling them it contains disallowed words.
Rejecting silently so they stop probing
This is the most useful part against persistent spam: with the gpb_enable_honeypot hook, the submission is rejected but appears to have worked to the visitor. Whoever automates spam gets no clues to look for a way around. That said, it requires adding a code snippet; it is not a switch in the dashboard.
Beyond spam, the same list serves other uses:
- Blocking specific emails or domains.
- Reserving names such as admin, your team's name or brand terms.
- Preventing leaked or expired promo codes.
- Keeping the list up to date by pasting public word lists or using plugins that add keys automatically.
Is Gravity Perks Blocklist enough or do you need a full anti-spam tool?
It is a text and IP filter, not a system that scores behavior. It works well as an added layer on top of a captcha, not as a replacement. And it has two limits worth knowing before you fill the list:
- It matches words inside other words: if you block Race, Racer will be blocked too.
- Because the visitor's IP and user agent are also checked, if you include a period in the list you will block every submission, since IPs contain periods.
Can I change the error message?
Yes, with the gpb_validation_message hook. It requires a bit of code.
Does it check every field type?
In whole-form mode it only validates the fields the plugin supports, not necessarily all of them.
What do I do if it blocks nothing?
Check that it is enabled on the field or in Restrictions, that each word is on its own line, and run a conflict test by deactivating other plugins.
Do I need to use it with another comments plugin?
No: solo necesitas Gravity Forms and the WordPress Disallowed Comment Keys list.
Topics
Version history
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v
1.3.11 Current 7 Sep 2026
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v
1.3.10 14 Nov 2025
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Frequently asked questions
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GPL (General Public License) is the license under which WordPress and most premium plugins/themes are distributed. It grants you the right to use, modify and redistribute the software in as many projects as you want, with no domain restrictions.
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Yes. With membership you get automatic updates via our GPLClub Updater plugin (installed on your WP, detects new versions and applies them). With individual purchase, you get one year of manual updates from your account.
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Depends on the plan. Monthly: 3 domains. Semi-annual: 7. Annual and Lifetime: 15. Individual purchase: 1 domain.
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GPLClub offers its own support for installation, configuration and compatibility. For direct support from the original author (feature requests, product-specific bugs), a license purchased from the author is required.
