19 articles
A step-by-step guide to automatically archiving cold emails in Gmail using native filters, Google Apps Script, and dedicated sender verification tools. Stop cold emails without losing legitimate messages.
An analysis of 10,000 cold emails intercepted by Captchainbox's sender verification system — patterns, statistics, and what the data reveals about the AI cold email industry.
AI-generated emails are designed to look human-written. But there are patterns that can help you identify them — though the most reliable approach doesn't involve reading the email at all.
A technical look at how AI cold email platforms like Instantly, Lemlist, and Apollo generate, personalise, and send thousands of emails — and why spam filters can't catch them.
Legally, spam and cold email are different. Practically, they feel identical. Here's the technical, legal, and experiential distinction — and why it matters for how you handle them.
The CAN-SPAM Act was written in 2003 for a different email era. Here's why it's structurally inadequate for AI-generated cold email — and what protections actually exist.
Google is tightening Gmail's spam enforcement. Cold email tools are evolving to bypass it. You're caught in the middle. Here's the state of the arms race and what it means for you.
A $50/month subscription to a cold email tool can reach 10,000 inboxes per week. Here's how the economics work — and why they're unsustainable.
Cold email worked when it was rare, personal, and human. Now it's automated, abundant, and AI-generated. The model is breaking — here's what replaces it.
The next wave of email spam isn't written by AI — it's sent by AI agents that autonomously research, personalise, and follow up without human involvement. Here's what's happening.
AI cold email tools find your address through LinkedIn, websites, and data brokers. Here's how to reduce your exposure — and what to do when prevention isn't enough.
Replying "unsubscribe" or "remove me" to cold emails feels like the right move. In reality, it often increases the volume of cold email you receive. Here's why.
AI outreach tools send thousands of personalised sales emails daily. Here's how to block them in Gmail without cutting off genuine business contacts.
Gmail blocks 99.9% of spam — but AI cold email bypasses every signal Gmail looks for. Here's what changed in 2025-2026 and what to do about it.
A comprehensive comparison of every major Gmail inbox protection approach — from built-in features to third-party tools — with recommendations based on your specific inbox problem.
Captchainbox verifies senders with CAPTCHA. SaneBox sorts email with AI. Two fundamentally different approaches to the same problem — here's how they compare.
A practical comparison of the best tools for stopping AI-generated cold emails in Gmail — from sender verification to AI filtering to full inbox overhauls.
AI outreach tools scrape your LinkedIn, your website, your recent posts — then write a cold email that sounds like the sender actually knows you. Here's how it works and why standard filters miss it.
AI-powered outreach tools are flooding inboxes with personalised cold emails that look real. Here's how to stop them without cutting off genuine contacts.