DESC="SASL Authentication Daemon postfix-out"
 NAME="saslauthd-out"
 MECHANISMS="pam"
 OPTIONS="-c -m /var/spool/postfix-out/var/run/saslauthd-out"

pwcheck_method: saslauthd-out

pwcheck_method: saslauthd

:~# telnet mail2.example.com 25
Trying 111.222.333.444...
Connected to mail2.example.com.
Escape character is '^]'.
220 mail2.example.com ESMTP Postfix (@@DISTRO@@)
auth plain YWdoc2EAYWdoc2hhbGRvcmFu
535 5.7.8 Error: authentication failed: no mechanism available

Nov 30 09:17:47 mail4 postfix-out/smtpd[4361]: connect from unknown[111.222.333.444]
Nov 30 09:17:58 mail4 postfix-out/smtpd[4361]: warning: SASL authentication problem: unknown password verifier
Nov 30 09:17:58 mail4 postfix-out/smtpd[4361]: warning: SASL authentication failure: Password verification failed
Nov 30 09:17:58 mail4 postfix-out/smtpd[4361]: warning: unknown[111.222.333.444]: SASL plain authentication failed: no mechanism available
Nov 30 09:18:04 mail4 postfix-out/smtpd[4361]: disconnect from unknown[111.222.333.444]

DESC="SASL Authentication Daemon postfix-out"
NAME="saslauthd-out"
MECHANISMS="pam"
OPTIONS="-c -m /var/spool/postfix-out/var/run/saslauthd-out"

pwcheck_method: saslauthd
saslauthd_path: /var/spool/postfix-out/var/run/saslauthd-out/mux

smtpd_sasl_auth_enable = yes
smtpd_sasl_path = smtp
smtpd_sasl_type = cyrus
cyrus_sasl_config_path = /etc/postfix-out/sasl