DMARCLY

When analyzing email headers for unauthenticated emails in mailbox service providers like Gmail, you can run into error messages that look like below from time to time:

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…

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…

Follow the steps below to set up SPF and DKIM for Mailchimp, so that your marketing emails are more likely to reach the inbox. This is a process also known as email domain authentication.

How to set up SPF and DKIM for Mailchimp:

Verify your domain

Mailchimp requires you to verify that you o…

We will go over how SPF works with subdomains in this article.

As discussed in the How DMARC Works With Subdomains post, not all subdomains need to publish a DMARC record, if the organizational domain already has one…

When you first set up Mandrillapp (AKA Mailchimp Transactional Email) to send transactional emails, you may find there is a "via mandrillapp.com" warning for the email in the recipient's mailbox.

This warning means you haven't authorized Mandrill to deliver emails for you, so the mailbox provider…