Use secure connectin == SSL

Nov 15 16:16:11 server postfix/smtpd[8008]: connect from unknown[10.245.00.100]
Nov 15 16:16:11 server postfix/smtpd[8008]: setting up TLS connection from unknown[10.245.00.100]
Nov 15 16:16:11 server postfix/smtpd[8008]: TLS connection established from unknown[10.245.00.100]: SSLv3 with cipher RC4-MD5 (128/128 bits)
Nov 15 16:16:15 server postfix/smtpd[8008]: warning: SASL authentication failure: Password verification failed
Nov 15 16:16:15 server postfix/smtpd[8008]: warning: unknown[10.245.00.100]: SASL PLAIN authentication failed: authentication failure
Nov 15 16:16:16 server postfix/smtpd[8008]: disconnect from unknown[10.245.00.100]

Use secure connection == TLS

Nov 15 16:16:43 server postfix/smtpd[8008]: connect from unknown[10.245.00.100]
Nov 15 16:16:43 server postfix/smtpd[8008]: setting up TLS connection from unknown[10.245.00.100]
Nov 15 16:16:43 server postfix/smtpd[8008]: TLS connection established from unknown[10.245.00.100]: SSLv3 with cipher RC4-MD5 (128/128 bits)
Nov 15 16:16:43 server postfix/smtpd[8008]: disconnect from unknown[10.245.00.100]
Nov 15 16:17:01 server CRON[8019]: Authentication service cannot retrieve authentication info