StopForumSpam is described as 'Your favorite and most trusted "one stop shop" for the prevention of forum & blog spam, trusted by over 200,000 forums' and is a Anti-Spam tool in the security & privacy category. There are more than 10 alternatives to StopForumSpam, not only websites but also apps for a variety of platforms, including Self-Hosted, Wordpress, SaaS and Windows apps. The best StopForumSpam alternative is Antispam Bee, which is both free and Open Source. Other great sites and apps similar to StopForumSpam are Akismet, SpamCop, YouTube Spammer Purge and CleanTalk.
MxGuard is a cloud-based inbound email security gateway. Domains point their MX records at MxGuard, which scores every message and then rejects, quarantines, tags or forwards it to the customer's existing mail server.
This simple addition to the wonderful Contact Form 7 (CF7) plugin adds basic honeypot anti-spam functionality to thwart spambots without the need for an ugly captcha.
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