RFC Errata
RFC 5322, "Internet Message Format", October 2008
Source of RFC: IETF - NON WORKING GROUPArea Assignment: app
Errata ID: 5867
Status: Held for Document Update
Type: Technical
Publication Format(s) : TEXT
Reported By: Pete Resnick
Date Reported: 2019-10-01
Held for Document Update by: Barry Leiba
Date Held: 2019-11-13
Section 4.5.7 says:
obs-received = "Received" *WSP ":" *received-token CRLF
It should say:
obs-received = "Received" *WSP ":" [1*received-token / CFWS] [ ";" date-time CRLF ]
Notes:
Erratum 3979 already describes that CFWS should be allowed in an otherwise empty list of received-tokens. This adds an optional date-time after that.