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Everything about DMARC, DKIM, SPF, email authentication, deliverability, anti-spoofing, anti-phishing, security, and tools.

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28th Feb 2021
How to Implement DMARC/DKIM/SPF to Stop Email Spoofing/Phishing: The Definitive Guide

This article aims to provide a complete guide to implementing SPF, DKIM, and DMARC for your organization, and suggest the best practices for doing so. It is written in hopes that this will clear up confusion about what steps to take to achieve an effective DMARC deployment to secure business email a…

SPF DKIM DMARC
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28th Feb 2021
How to Set Up Sender Policy Framework (SPF): the Complete Guide

Sender Policy Framework (SPF) plays an important role in modern-day email authentication, along with DMARC and DKIM. It helps prevent emails from unauthorized senders from landing in the inbox.

We are going to present a comprehensive guide to SPF in this article…

SPF
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28th Feb 2021
Why SPF Authentication Fails: none, neutral, fail(hard fail), soft fail, temperror, and permerror Explained

DMARC (Domain-based Message Authentication, Reporting and Conformance) specifies these possible errors (non-pass) in SPF (Sender Policy Framework) authentication: none, neutral, fail (hard fail), softfail (soft fail), temperror (temporary error), and permerror (permanent error)…

SPF
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28th Apr 2019
What is Authenticated Received Chain (ARC)?

The advent of DMARC (Domain-based Message Authentication Reporting and Conformance) enables businesses to thwart email spoofing attacks and improve email deliverability. Not only can a DMARC implementation with a p=reject policy block all unauthorized emails via a domain, but also it delivers 100% l…

ARC
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14th Feb 2019
Getting Started With DMARC
What is DMARC?

DMARC, which stands for “Domain-based Message Authentication, Reporting & Conformance”, is a way to determine whether an email message is actually from the sender or not. It builds on the widely deployed SPF and DKIM protocols, and adds domain alignment checking and reporting capabi…

DMARC
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14th Sep 2018
Diagnostic Tools Released

We are pleased to release 3 diagnostic tools for email authentication. These are: SPF checker, DKIM checker and DMARC checker. Each of these tools can check a certain aspect of your email domain, and together they give you an overview of the health status of your email program…

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