[Plugin: Grunion Contact Form] How to avoid re-submitted data on refresh?
I wonder why people have ignored this issue? It’s really insecure side of Grunion Contact Form Plugin….
Because after form submission there display an alter text that “Message Sent”. But if I refresh the page, admin get another email, Similarly If I will refresh page 1000 time, Admin will get 1000 mails…. Not need to re-put all data, Just page reload makes me afraid.
How can I secure from this manually spam attack from a real human being.
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