Email authentication resources

This page shows a curated list of email authentication resources covering DMARC, DKIM, SPF, and BIMI.

dmarcly.com

DMARCLY Safe SPF

Hashnode Blog

Read the docs DMARCLY

SPF posts

Can I Have Multiple SPF Records on My Domain?

可以在域名上发布多条 SPF 记录吗?

How to fix SPF PermError: too many DNS lookups

如何修复 SPF PermError: too many DNS lookups

SPF PermError: Too Many DNS Lookups - When SPF Record Exceeds 10-DNS-Lookup Limit

SPF PermError: Too Many DNS Lookups - 当 SPF 记录超过 10 次 DNS 查询极限

Why SPF Authentication Fails: none, neutral, fail(hard fail), soft fail, temperror, and permerror Explained

为什么 SPF 验证失败:none, neutral, fail(hard fail), soft fail, temperror, and permerror 全解释

What Is Automatic/Dynamic SPF Record Flattening and How It Fixes the SPF PermError: Too Many DNS Lookups Issue

什么是自动/动态 SPF 记录压平及其如何修复 SPF PermError: Too Many DNS Lookups 问题

What is An SPF Record and How does It Work: SPF Record Explained

SPF 记录是什么以及它如何工作:SPF 记录全解释

SPF FAQs (Frequently Asked Questions)

SPF 常见问题

DMARC posts

How to fix "No DMARC Record Found"

如何修复 "No DMARC Record Found"

How to Implement DMARC/DKIM/SPF to Stop Email Spoofing/Phishing: The Definitive Guide

Why Are My Emails Going to Spam (Junk) Instead of Inbox? Check DMARC!

Which Domains Send DMARC Forensic (Failure) Reports?

What is rua in DMARC: DMARC rua Tag Explained.

What is DMARC Identifier Alignment (domain alignment)?

What is DMARC (Domain-based Message Authentication, Reporting & Conformance)?

What are DMARC Tags: DMARC Tags Explained.

The Fastest Way to Set Up DMARC, DKIM, and SPF: Easy Email Authentication Deployment Explained

SPF/DKIM/DMARC Setup Guide for Google Workspace (formerly known as G Suite) (Gmail for Business)

How to Use a Dedicated DMARC Analyzer Service to Set Up DMARC with p=reject (Full DMARC Implementation)

How to Set Up Email Authentication on Email Streams Using DMARC Data?

How To Set Up DMARC In 3 Easy Steps

How to Set Up DMARC, DKIM, and SPF in Office 365 (O365) Exchange Server: the Complete Implementation Guide

How to Read DMARC Summary Email Reports

How to Add DMARC Record in Namecheap: Namecheap DMARC Setup Guide

How to Add DMARC Record in GoDaddy: GoDaddy DMARC Setup Guide

How to Add DMARC Record in CloudFlare: CloudFlare DMARC Setup Guide

How to Add DMARC Record in Bluehost: Bluehost DMARC Setup Guide

How DMARC Works With Subdomains (DMARC sp Tag)?

Getting Started With DMARC

DMARC FAQs (Frequently Asked Questions)

DMARC Failure Reports (Forensic Reports) Explained.

Can I Have Multiple DMARC Records on My Domain?

可以在域名上发布多条 DMARC 记录吗?

Can I Set Up DMARC without DKIM?

DKIM posts

DKIM FAQs (Frequently Asked Questions)

How to Add DKIM Record in CloudFlare: CloudFlare DKIM Setup Guide

How to Add DKIM Record in GoDaddy: GoDaddy DKIM Setup Guide

How to Add DKIM Record in Namecheap: Namecheap DKIM Setup Guide

How to Set Up SPF and DKIM for Amazon SES

How to Set Up SPF and DKIM for Mailchimp

How to Set Up SPF and DKIM for SendGrid

Can I Have Multiple DKIM Records on My Domain?

可以在域名上发布多条 DKIM 记录吗?

What Is DKIM Selector and How Does It Work: DKIM Selector Explained

DKIM Selector 是什么以及它如何工作:DKIM Selector 解释

BIMI, SPF, DKIM, and DMARC tools

Tools home page

SPF record checker

SPF record generator

DKIM record checker

DKIM record generator

DMARC record checker

DMARC record generator

All-in-one SPF/DKIM/DMARC Wizard

BIMI record checker

BIMI record generator

IP blacklist checker