DMARC, short for Domain-based Message Authentication, Reporting & Conformance, is an email authentication protocol to check if an email message really originates from where it claims to have, based on SPF and DKIM, another two email authentication protocols…

In this article we will explain various concepts related to DKIM selectors: what are they, why do we need them, and how they work in DKIM authentication.

What is DKIM selector?

A DKIM selector, as indicated by the name, is a string used by the outgoing server to locate the private key to sign th…

An SPF record is a TXT record published in the DNS by the domain owner, which specifies a whitelist of IP addresses allowed to send emails on behalf of the domain. When an email reaches the receiving server, the server will look up the SPF record in the DNS, and perform a check to determine if the e…

It's critically important for any company using Office 365 Exchange Server for email to implement DMARC, DKIM, and SPF to prevent or stop email spoofing and phishing as well as improve email deliverability.

Office 365 has become the de facto standard for productivity software…

After you've published your DMARC record, you might wonder if it's deployed correctly. There is no doubt that it's a completely legitimate question. In this post, we are going to talk about how we can check if DMARC is set up correctly using DMARC checker…

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…