Notes from building Pengon.
How we’re thinking about AI spam, what we’re learning from real Squarespace inboxes, and the occasional behind-the-scenes from a small Zürich studio.
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Spam patternsBest spam filter for Squarespace contact forms (2026)
The best spam filter for Squarespace depends on your spam. Start with free fixes, then add a filter that reads each message if pitches still get through.
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EngineeringWe sent 300 messages through Pengon. It stopped 100% of the spam and delivered 96% of the real messages.
150 spam messages and 150 real ones, sent through the filter in the same format a Squarespace form uses. 100% of the spam stopped, 144 of 150 real messages delivered. Every message and verdict, including the misses.
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ProductHow to email Squarespace form submitters a copy of their answers, free (2026)
Squarespace never emails the person who fills in your form. This free Google Sheets script sends them a copy of every answer, on any plan, Basic included.
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EngineeringAnatomy of a €4,500 scam: the 9 layers that caught it
A €4,500 'business proposal' hit a contact form Pengon protects. Eight of our nine layers correctly let it pass. Here's why only the last one could catch it.
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ProductreCAPTCHA was on. This spam got through anyway. (2026)
We watched a spam submission sail past Google reCAPTCHA on a live Squarespace form. Here's why — reCAPTCHA judges the sender, never the message. That's the gap.
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EngineeringTwo contact-form messages. One real. How the filter tells them apart.
Two short messages, both asking for a call, both from strangers. One scored 0.15 (legit). One got blocked. Here's exactly what the model saw — and why specificity is the whole game.
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OpinionWhat contact-form spam really costs your Squarespace business (2026)
The visible cost of contact-form spam is the time you spend reading it. The invisible cost is the real client whose enquiry got buried. Here's the math.
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Spam patternsAI contact-form spam in 2026: 5 patterns hitting Squarespace inboxes
AI spam bypasses reCAPTCHA and lands in your Squarespace inbox looking like a warm lead. Here are the 5 patterns we see most — and why filters miss them.
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EngineeringStop Squarespace contact form spam — without blocking real clients (2026)
Nearly 28% of web form submissions are spam, and AI now beats reCAPTCHA. Here's why your Squarespace contact form still gets hit, and how to actually stop it.