We are running in a testing phase — please be patient and share your feedback.

Tag: dmarc

Practical guides and explanations for anyone who needs their emails delivered reliably and trusted — and wants their recipients to easily spot and discard fraudulent messages sent in their name. Step-by-step SPF, DKIM, and DMARC setup, and how SPFmonitor can help.

Setting Up SPF, DKIM and DMARC at Czech Hosting Providers

Setting Up SPF, DKIM and DMARC at Czech Hosting Providers

Complete guide to setting up SPF, DKIM and DMARC at WEDOS, Forpsi and Active24. Exact DNS records, activation steps and troubleshooting for each Czech hosting provider.

· 8 min read
DMARC Fail — What It Means and How to Fix It

DMARC Fail — What It Means and How to Fix It

DMARC fail means your email failed authentication — usually due to missing SPF/DKIM or alignment issues. Learn how to diagnose the cause and fix it.

· 7 min read
DNS Records for Email — A Complete Guide
dns

DNS Records for Email — A Complete Guide

MX, TXT, CNAME, PTR — every DNS record you need for email delivery and security in one place. Examples, rules, and a ready-to-use checklist.

· 8 min read
How to Set Up SPF, DKIM, and DMARC for Google Workspace

How to Set Up SPF, DKIM, and DMARC for Google Workspace

Step-by-step guide to setting up SPF, DKIM, and DMARC for Google Workspace. From DNS records to DKIM activation in Admin console and DMARC deployment.

· 8 min read
How to Check Your DMARC Record

How to Check Your DMARC Record

DMARC links SPF and DKIM to your sender address. Learn how to verify your DMARC record using online analyzers, command-line tools, and email headers…

· 7 min read
How to Read and Interpret DMARC Reports

How to Read and Interpret DMARC Reports

DMARC aggregate reports in raw XML are hard to parse. Learn to read individual records, distinguish spoofing from misconfiguration, and…

· 6 min read
How to Set Up a DMARC Record for Your Domain

How to Set Up a DMARC Record for Your Domain

Step-by-step guide to setting up a DMARC record. From your first p=none record through report analysis to full protection with p=reject.

· 8 min read
Setting Up SPF, DKIM, and DMARC for Microsoft 365

Setting Up SPF, DKIM, and DMARC for Microsoft 365

Complete guide to setting up SPF, DKIM, and DMARC for Microsoft 365. Step-by-step from DNS records through DKIM activation in the Defender portal to…

· 8 min read
Sender Reputation — What It Is and How to Improve It

Sender Reputation — What It Is and How to Improve It

Sender reputation determines whether your emails reach the inbox or land in spam. Learn what affects it, how to check it, and how to systematically…

· 5 min read
SPF, DKIM, and DMARC — Complete Email Authentication Guide

SPF, DKIM, and DMARC — Complete Email Authentication Guide

SPF, DKIM, and DMARC form three layers of email authentication. Learn how they work together, the correct deployment order, and common mistakes to…

· 6 min read
Spoofing and Phishing — Defending with Email Authentication

Spoofing and Phishing — Defending with Email Authentication

Email spoofing and phishing threaten every domain without authentication. Learn how SPF, DKIM, and DMARC protect your domain — and what they can't…

· 6 min read
What Is DMARC and How Does It Work

What Is DMARC and How Does It Work

DMARC ties SPF and DKIM together and adds a policy for unauthenticated emails. Learn how it works, how to deploy it, and why Google and Yahoo require…

· 6 min read