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…

Contrary to popular belief, setting up DMARC to protect your company email is much easier than it seems. In this post, we will show you 3 easy steps to set up DMARC: generate, publish, and analyze, as illustrated below:

Step 1. Generate a DMARC record

A DMARC record is a short snippet to…

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…

DMARC tags are used in a DMARC record to define various aspects of a DMARC implementation, such as policy, aggregate report email URI, forensic report email URI, and more.

What is a DMARC record?

A DMARC record is a TXT resource record published in the DNS for the target domain…

"SPF PermError: too many DNS lookups" is a common error seen in many SPF implementations. When an often overlooked SPF 10-DNS-lookup limit is exceeded, an SPF PermError, aka SPF permanent error, is returned. SPF PermError's can affect your email deliverability…

What is SPF?

Sender Policy Framework (SPF) is an email authentication mechanism which alllows 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 fr…