Mail-Client des AbsendersSASL-LayerAuthentication InterfaceSASL RequestDer Mail-User-Agent "MUA" willsich authentifizieren, da ereine eMail an einen externenEmpfänger senden will. (relaying)MechanismenPLAIN LOGIN CRAM-MD5 DIGEST-MD5 NTLMMethoden / Password Verification ServicesSMTP-DaemonAnnahme der ankommenden Verbindungsowie Durchführung der Authentifizierungund ggf. Annahme der NachrichtSASL-DaemonSASL-Socket/Port desDOVECOT-IMAP-ServermySQL Datenbankpostfix-adminDatenbanktabelle /etc/dovecot/conf.d/10-auth.conf└── !include auth-sql.conf.ext /etc/postfix/main.cf├── service auth {├── smtpd_sasl_type = dovecot├── smtpd_sasl_path = inet:10.0.0.77:3659├── broken_sasl_auth_clients = yes├── smtpd_sasl_security_options = noanonymous└── smtpd_sasl_tls_security_options = $smtpd_sasl_security_options /etc/dovecot/conf.d/10-master.conf├── service auth {├──── inet_listener {├──── address = imap.dmz.nausch.org├──── port = 3659├─── }└── } /etc/dovecot/conf.d/10-auth.conf└── auth_mechanisms = plain login digest-md5 cram-md5 ntlm