You must have noticed; Bots just love web forms.
Contact forms are exploited to spread spam emails because such emails will, most likely, be read rather than filtered.
Talk-back and user-generated contact form are bots’ favourable because they can be used to spread web spam, automated comments and even links to competing sites or malware sites.
Registration forms are easily exploited to generate new user accounts to defraud users or exploit your platform.
At best, these spambots are a costly nuisance, but sometimes they can seriously damage your credibility, your users and your business performance. These form-spamming activities tend to look like real user interactions and will go way below the radar of any security measures you might be using.
Customers using BotBlackBox to protect their forms reported the following results: