Site AI Audit · ブログ · #DMARC

#DMARC

DMARC protects your domain from being used in fake e-mails. Articles tagged here explain the record, its policies and its reports in plain words. They show how to start with monitoring and move safely to an enforced policy. Examples include records for common e-mail providers. You will also learn how DMARC works together with SPF and DKIM. Following these guides helps your real e-mails reach the inbox.

すべてメール到達率セキュリティとSSL SEOの基本 Webサイトの速度

2026/08/16 · 8分で読めます

Email Spoofing: How to Stop People Sending Mail as Your Domain

Criminals can send e-mail that looks like it comes from your domain. Learn how spoofing works, which records stop it and what DMARC cannot…

2026/08/15 · 8分で読めます

Microsoft 365 Email Authentication: SPF, DKIM and DMARC Setup

A practical guide to SPF, DKIM and DMARC for Microsoft 365: the records to publish, how to enable DKIM in the Defender portal and…

2026/08/14 · 8分で読めます

Google Workspace SPF, DKIM and DMARC Setup, Step by Step

Set up SPF, DKIM and DMARC correctly for Google Workspace: the exact records, where to enable DKIM signing, and how to confirm everything passes…

2026/08/10 · 8分で読めます

How to Read DMARC Aggregate Reports Without Getting Lost

DMARC aggregate reports show every server sending mail with your domain. Learn how to read the XML, sort sources into groups and decide what…

2026/08/09 · 8分で読めます

Gmail and Yahoo Bulk Sender Requirements: A Practical Guide

What Gmail, Yahoo and Outlook.com require from bulk senders: SPF, DKIM, DMARC, alignment, one-click unsubscribe and spam-rate limits, with a checklist.