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20th Sep 2023
The Fastest Way to Set Up DMARC, DKIM, and SPF: Easy Email Authentication Deployment Explained

People tend to think of setting up email authentication with DMARC, DKIM, and SPF as time-consuming and error-prone because they have to search the Web for various articles and tools to achieve a simple DMARC, DKIM and SPF setup. This can take days for those who aren't proficient in email authentica…

DMARC DKIM SPF Set Up
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20th Sep 2023
Partial Safe SPF for Non-flattenable SPF Includes

While Safe SPF overcomes the 10-DNS-lookup limit in SPF, sometimes it's desirable to flatten only a part of your SPF record, while leaving the rest as is. If this is the case, you can use partial Safe SPF.

One good reason for this is that some email delivery services like HelpScout, Office 365, At…

SPF SPF PermError Too Many DNS Lookups
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20th Sep 2023
No Auth, No Entry: Don't Let Your Email Go to Spam or Be Rejected

"No auth, no entry" is a catchy phrase commonly used in the email industry to mean an email won't be considered for delivery unless it's properly authenticated. "auth" here means email authentication based on modern email authentication technologies like SPF, DKIM, and DMARC…

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20th Sep 2023
Multiple DKIM Signatures

When you examine the email headers inside a message, it is not uncommon that you find multiple DKIM signatures in a single email message.

Similarly, you can run into multiple DKIM signatures in a single email stream in some DMARC aggregate reports…

DKIM
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20th Sep 2023
Introduction to SPF
What is SPF

Sender Policy Framework (SPF) is an email authentication mechanism which allows only authorized senders to send on behalf of a domain, and prevents unauthorized users from doing so. SPF allows the receiver to check that an email claiming to come from a specific domain indeed comes from…

SPF
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20th Sep 2023
How to Use a Dedicated DMARC Analyzer Service to Set Up DMARC with p=reject (Full DMARC Implementation)

This tutorial provides step-by-step instructions on how to set up DMARC starting from p=none, transition to p=quarantine, then to p=reject using DMARCLY, a dedicated DMARC analyzer service.

The tutorial assumes no prior knowledge whatsoever of DMARC or DMARC reports…

DMARC DMARC Analyzer Service DMARC Monitoring Service Set Up DMARC DMARC Implementation p=none p=quarantine p=reject
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