David Hulsebus: > But without the ability to use CRAM-MD5, DIGEST-MD5, NTLM, how can > I use TLS to make the connection and authorize the clients?
TLS (formerly known as SSL) encrypts the SMTP session. This uses the STARTTLS command. SASL authenticates the user. This uses the AUTH command. With SMTP session encryption turned on, using PLAIN or LOGIN authentication should be safe. TLS and SASL do completely different things. Wietse