What is ARC, or Authenticated Received Chain?
ARC, or Authenticated Received Chain, is a standard created in 2016 to help improve how DKIM and SPF results are passed from one mail server to the next during forwarding. When messages are passed to intermediaries like mailing lists or email account forwarding, DKIM and SPF can break. ARC aims to fix this.
Continue reading • Chris Nagele wrote in Email delivery