{"slug": "make-people-pay-to-get-into-your-inbox", "title": "Make people pay to get into your inbox", "summary": "Captchainbox, a new email filtering service, requires unknown senders to solve a CAPTCHA or pay a fee to reach a user's inbox, aiming to combat AI-generated spam. The service scans email metadata to build a trusted sender list and archives unknown messages without deletion. It offers a 7-day free trial and positions itself as a solution for inboxes overwhelmed by AI outreach.", "body_md": "# Make unknown senders work to get into your inbox.\n\nStop AI spam from flooding your inbox and calendar. Unknown senders solve a CAPTCHA or pay a fee to get in. Trusted contacts get through as usual.\n\n[See how it works](#how)\n\n7-day free trial · 5-minute setup · Archived, never deleted\n\nSarah Chen\n\nnowsarah@designco.com\n\nRe: new design direction\n\nBuilt for inboxes overwhelmed by AI outreach\n\n## AI cold outreach is nearly free.\n\nMake senders work for your time and attention.\n\nSpam filters catch the obvious, but mass-customized outreach gets through. You miss what matters and drown in what you didn't ask for.\n\nStep 01\n\n### Sign in with your email provider.\n\nCaptchainbox scans your conversation metadata. We never read your messages. We build a trusted sender and domains list for you.\n\n[Sign in with your email provider](/auth/sign-in)\n\nGmail connected\n\nyou@gmail.com\n\nAnalyzed\n\n2,847\n\nTrusted\n\n284\n\nStatus\n\nActive\n\nStep 02\n\n### Every sender checked silently.\n\nFor every new email Captchainbox checks the sender against your trusted contacts. Unknown senders are archived (never deleted) and sent a verification link. Introductions through trusted contacts get through.\n\n[See how filtering works](/auth/sign-in)\n\nStep 03\n\n### Senders show they are worth your time and attention.\n\nUnknown senders verify through a CAPTCHA or pay a small fee to show they are relevant to you. They complete the verification and their email is delivered to your inbox. Payment fees get pooled and donated.\n\n[See the verification flow in action](mailto:felixdoerp@gmail.com?subject=Hey%20Felix%2C%20just%20testing%20Captchainbox&body=Hi%20Felix%2C%0A%0AI%20saw%20Captchainbox%20and%20wanted%20to%20see%20the%20verification%20flow%20in%20action.%0A%0ACheers)\n\nInbox verification\n\nThis inbox uses a quick CAPTCHA. Complete it to get your message delivered.\n\nRecipient picked: CAPTCHAComplete the CAPTCHA\n\nYou're verified\n\nYour message is on its way to their inbox.\n\nPricing\n\n## Simple pricing to get back your time and attention.\n\nFree 7-day trial, no credit card required.\n\nPer inbox\n\n7-day free trial included\n\n- Real-time inbox filtering\n- Calendar invite protection\n- Trusted circle from sent history\n- Introduction detection via CC\n- Configurable filter rules\n- Custom auto-reply templates\n- Emails archived, never deleted\n\n## Take back your inbox.\n\nSet up in 5 minutes. Free to get started.\n\nCurious what senders see? [Send me an email](mailto:felixdoerp@gmail.com?subject=Hey%20Felix%2C%20just%20testing%20Captchainbox&body=Hi%20Felix%2C%0A%0AI%20saw%20Captchainbox%20and%20wanted%20to%20see%20the%20verification%20flow%20in%20action.%0A%0ACheers) and see the verification flow yourself.", "url": "https://wpnews.pro/news/make-people-pay-to-get-into-your-inbox", "canonical_source": "https://www.captchainbox.com", "published_at": "2026-07-15 11:58:54+00:00", "updated_at": "2026-07-15 12:32:52.482218+00:00", "lang": "en", "topics": ["ai-tools", "ai-ethics", "ai-products"], "entities": ["Captchainbox", "Gmail"], "alternates": {"html": "https://wpnews.pro/news/make-people-pay-to-get-into-your-inbox", "markdown": "https://wpnews.pro/news/make-people-pay-to-get-into-your-inbox.md", "text": "https://wpnews.pro/news/make-people-pay-to-get-into-your-inbox.txt", "jsonld": "https://wpnews.pro/news/make-people-pay-to-get-into-your-inbox.jsonld"}}