Documents tagged with "null mx"

1 documents found

https://app.knowbase.one/vault/rfc/docid/8154

RFC7505: A "Null MX" No Service Resource Record for Domains That Accept No Mail

Internet Engineering Task Force (IETF) J. Levine Request for Comments: 7505 Taughannock Networks Category: Standards Track M. Delany ISSN: 2070-1721 Apple Inc. ...