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…
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…
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…
This article explains what BIMI is, how to implement it to increase email credibility, boost engagement rate, and improve email deliverability and open rates.
What is BIMI?BIMI, short for Brand Indicator for Message Identification, allows domain owners to coordinate with email clients to displa…
"SPF PermError: too many DNS lookups" is a common error seen in many SPF (Sender Policy Framework) 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…
