Email Security
Stop phishing threats others miss
Cloudflare Email Security provides advanced, AI-driven protection against phishing, malware, business email compromise, and ransomware. It prevents these threats from reaching user inboxes and uses machine learning-based behavioral analysis to block targeted campaigns against your organization. Recognized as a Strong Performer in The Forrester Wave™: Email, Messaging, And Collaboration Security Solutions, Q2 2025.
High Phishing Detection Accuracy
Comprehensive Protection
Flexible and Adaptable
Top Email Security Use Cases
See real-world examples of Cloudflare email-security
Preventing Ransomware and Malware Attacks
Protecting Against Targeted Phishing Attacks
Flexible Deployment for Diverse Environments
Achieving High-Efficacy Phishing Detection
Email Security Code Examples
Integrate Cloudflare Email Security into your applications using these code examples.
import requests api_key = 'YOUR_API_KEY' email = 'example@example.com' response = requests.get(f'https://api.cloudflare.com/client/v4/email-security/verify-sender', headers={'Authorization': f'Bearer {api_key}'}) if response.status_code == 200: print('Email sender verified') else: print('Email sender verification failed')
Compute
Storage
AI
Media
Network
SASE / Zero Trust
Build without boundaries
Join thousands of developers who've eliminated infrastructure complexity and deployed globally with Cloudflare. Start building for free — no credit card required.