DKIM Selectors . What are DKIM Selectors and How Can You Find ...
dmarcian.com › dkim-selectorsJan 13, 2020 · A DKIM selector is specified when the private/public key pair is created when DKIM is set up for the email domain (or email sender), and it can be any arbitrary string of text. The DKIM selector is inserted into the DKIM-Signature email header as an s= tag when the email is sent. The easiest way to discover the selector for your domain is to send an email to yourself.