August 2021: RFC9051: Internet Message Access Protocol (IMAP) - Version 4rev2:
"Replaced DIGEST-MD5 SASL mechanism with SCRAM-SHA-256. DIGEST-MD5 was deprecated."
July 2010: RFC5802: Salted Challenge Response Authentication Mechanism (SCRAM): SASL and GSS-API Mechanisms: https://tools.ietf.org/html/rfc5802 (SCRAM-SHA-1 and SCRAM-SHA-1-PLUS)
July 2010: RFC5803: Lightweight Directory Access Protocol (LDAP) Schema for Storing Salted: Challenge Response Authentication Mechanism (SCRAM) Secrets: https://tools.ietf.org/html/rfc5803
November 2015: RFC7677: SCRAM-SHA-256 and SCRAM-SHA-256-PLUS: Simple Authentication and Security Layer (SASL) Mechanisms: https://tools.ietf.org/html/rfc7677
Dear @Zimbra team,
20 November 2008: CRAM-MD5 to Historic:
29 June 2017: CRAM-MD5 to Historic:
July 2011: RFC6331: Moving DIGEST-MD5 to Historic:
August 2021: RFC9051: Internet Message Access Protocol (IMAP) - Version 4rev2: "Replaced DIGEST-MD5 SASL mechanism with SCRAM-SHA-256. DIGEST-MD5 was deprecated."
I add same about SCRAM-MD5.
There are now:
Soon: