DKIM: Who Signed It?

DomainKeys Identified Mail uses unique signatures and public key infrastructure to tell who is sending an email

What is DKIM?
Domain Keys Identified Mail is an email authentication standard (along with SPF) that uses public/private key cryptography to sign email messages. It is an ...
Tue, 30 May, 2023 at 9:59 AM
How does DKIM work?
DomainKeys Identified Mail (DKIM) is one of the core standards that enable email authentication. Like Sender Policy Framework (SPF), DKIM uses DNS to store ...
Mon, 24 May, 2021 at 11:33 AM
What characters are permitted in a DKIM selector?
The DKIM standard requires that DKIM selectors only include letters, numbers and hyphens where a hyphen can not be the first character. Dots can act as sepa...
Mon, 6 Apr, 2020 at 12:55 PM
Rotating DKIM keys
TABLE OF CONTENTS What are the advantages of rotating DKIM keys? How frequently should DKIM keys be rotated?  Is there a standard process for rotatin...
Tue, 30 May, 2023 at 10:02 AM