https://app.knowbase.one/vault/rfc/docid/6132
RFC0561: Standardizing Network Mail Headers
RFC # 561 Abhay Bhushan (AKB) MIT-DMCG NIC # 18516 Ken Pogran (KP) MIT-MULTICS Ray Tomlinson (RST) BBN-TENEX Jim White (JEW) SRI-ARC ...