,------------------------------------------------------------------.
                                                                                  |                                                                  |
,---------------------------------.                                               |------------------------------------------------------------------|
|SASL Request                     |  ,----------------------------------------.   |├── service auth {                                                |
|---------------------------------|  |SMTP-Daemon                             |   |├── smtpd_sasl_type = dovecot                                     |
|Der Mail-User-Agent "MUA" will   |  |----------------------------------------|   |├── smtpd_sasl_path = inet:10.0.0.77:3659                         |
|sich authentifizieren, da er     |--|Annahme der ankommenden Verbindung      |---|├── broken_sasl_auth_clients = yes                                |
|eine eMail an einen externen     |  |sowie Durchführung der Authentifizierung|   |├── smtpd_sasl_security_options = noanonymous                     |
|Empfänger senden will. (relaying)|  |und ggf. Annahme der Nachricht          |   |└── smtpd_sasl_tls_security_options = $smtpd_sasl_security_options|
`---------------------------------'  `----------------------------------------'   |                                                                  |
                                                          |                       |                                                                  |
                                                          |                       `------------------------------------------------------------------'
                                                          |                                                                                           
                                                          |                                                                                           
                                                          |             ,-----------------------------------.                                         
                                                          |             |                                   |                                         
                                                          |             |-----------------------------------|                                         
                                               ,--------------------.   |├── service auth {                 |                                         
                                               |SASL-Daemon         |   |├──── inet_listener {              |                                         
                                               |--------------------|   |├──── address = imap.dmz.nausch.org|                                         
                                               |SASL-Socket/Port des|---|├──── port = 3659                  |                                         
                                               |DOVECOT-IMAP-Server |   |├─── }                             |                                         
                                               `--------------------'   |└── }                              |                                         
                                                                        |                                   |                                         
                                                                        |                                   |                                         
                                                                        `-----------------------------------'                                         
                                                                                                                                                      
                                                                                ,----------------------------------------------------------.          
                                       ,------------------------------------.   |                                                          |          
                                       |Mechanismen                         |   |----------------------------------------------------------|          
                                       |------------------------------------|   |└── auth_mechanisms = plain login digest-md5 cram-md5 ntlm|          
                                       |PLAIN LOGIN CRAM-MD5 DIGEST-MD5 NTLM|---|                                                          |          
                                       `------------------------------------'   |                                                          |          
                                                                                `----------------------------------------------------------'          
                                                                                                                                                      
                                                                                                                                                      
,--------------------------------.                                                                                                                    
|                                |   ,-----------------------------------------.                                                                      
|--------------------------------|   |Methoden / Password Verification Services|                                                                      
|└── !include auth-sql.conf.ext  |---|-----------------------------------------|                                                                      
|                                |   `-----------------------------------------'                                                                      
|                                |                                                                                                                    
`--------------------------------'                                                                                                                    
                                                                                                                                                      
                                                 ,----------------.                                                                                   
                                                 |mySQL Datenbank |                                                                                   
                                                 |----------------|                                                                                   
                                                 |postfix-admin   |                                                                                   
                                                 |Datenbanktabelle|                                                                                   
                                                 `----------------'