RFC 8461, "SMTP MTA Strict Transport Security (MTA-STS)", September 2018Source of RFC: uta (art)
Errata ID: 6253
Publication Format(s) : TEXT
Reported By: Daniel Shahaf
Date Reported: 2020-08-08
Section 3.2 says:
CRLF-separated key/value pairs
It should say:
LF- or CRLF-separated key/value pairs
1. The definition of 'sts-policy-term' in the grammar explicitly allows use of either CRLF or bare LF.
2. On page 8, one of the example says "<CRLF>" explicitly at the end of the first line, while the second line of that example and all lines of the other example have neither "<CRLF>" nor "<LF>" appended to them. That makes it ambiguous whether those lines are terminated by LF or by CRLF.