Cyrus SASL
sasl_checkpass()
IMAP
Using SASL: Pluggable Security
Using SASL: CMU’s Cyrus SASL Library
Information on SASL mechanisms, profiles, servers and clients implementing SASL
FAQ from Sendmail
The Secure Remote Password Protocol paper by Thomas Wu
TCL extensions for SASL
The NTLM Authentication Protocol (NTLM)
Common Internet File System (CIFS) Technical Reference (SMB/NTLM)