Implementing DMARC for Enhanced Email Security: A Guide for Systems Administrators
Introduction
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How to configure DKIM in Microsoft 365
DomainKeys Identified Mail (DKIM) is a solution for determining if the content of an email was modified after it was sent and to verify that the domain provided in the From address matches the domain name in cryptographic signature added by DKIM.1 [Read More] -
Configuring sender policy framework in Exchange Online
Before you change the configuration of your Exchange Online environment or public DNS, you should be comfortable with understanding what Sender Policy Framework (SPF) is and why it is important to properly configure. I wrote a introduction to SPF named, Blocking Spoofed Emails. [Read More] -
Blocking spoofed emails
TLDR; Who is allowed to send email for your domain name? Did you know you can tell the whole world which servers are allowed to send email from your domain name (and therefore, email sent from servers which you have not authorized should be considered fraudulent and the receiving email... [Read More]