state "Daemon " as qmqp
qmqp : QMQP-Modul
state "/usr/bin/sendmail" as sendmail
sendmail : Postfix - Modul
sendmail : "postdrop"
state "MTA - MTA Verkehr" as smtp_in
smtp_in : TCP/IP - Port 25
state "MUA - MSA Verkehr" as submission
submission : TCP/IP - Port 587
state "MDA" as lmtp_24
lmtp_24 : (Mail Delivery Agent)
lmtp_24 : Dovecot IMAP-Server
lmtp_24 : TCP/IP - Port 24
state "MTA" as smtp_25
smtp_25 : (Mail Transport Agent)
smtp_25 : andere SMTP-Server (Relayhosts)
smtp_25 : im Internet bzw. Intranet
smtp_25 : TCP/IP - Port 25
state "Mailman" as mailman
mailman : Weitergabe der eMail
mailman : an Mailinglisten / wie Mailman
mailman : oder via UUCP ...
state "mailbox" as mailbox
mailbox : Postfix - Queue
mailbox : "mailbox"
mailbox : lokale Zustellung
state master {
state "Queue" as maildrop
maildrop : └── maildrop
state "Daemon " as pickup
pickup : └── pickup
state "Daemon " as anvil
anvil : └── anvil
state "Daemon " as dnsblog
dnsblog : └── dnsblog
state "Daemon " as tlsproxy
tlsproxy : └── tlsproxy
state "Daemon " as postscreen
postscreen : └── postscreen
state "Daemon " as verify
verify : └── verify
state "Daemon " as tlsmgr
tlsmgr: └── tlsmgr
state "Daemon " as scache
scache: └── scache
state "Daemon " as qmqpd
qmqpd: └── qmqpd
state "Agent" as discard
discard: └── discard
state "Agent" as error
error : ├── error
error : └── retry
state "Daemon " as virtual
virtual: └── virtual
state "Daemon " as cleanup
cleanup : └── cleanup
state "Daemon " as showq
showq : └── showq
state "Daemon " as rewrite
rewrite : └── trivial-rewrite
state "Daemon " as bounce
bounce : ├── bounce
bounce : ├── defer
bounce : └── trace
state "Daemon " as smtpd
smtpd : └── smtpd
state "Queue" as incoming
incoming : └── incoming
state "Queue" as hold
hold : └── hold
state "Queue" as corrupt
corrupt : └── corrupt
state "Queue" as active
active : └── active
state "Queue" as deferred
deferred : └── deferred
state "Daemon " as qmgr
qmgr : └── qmgr
state "Daemon " as flush
flush : └── flush
state "Modul" as resolve
resolve : └── resolve
state "MDA" as local
local : └── local
state "Mailclient" as pipe
pipe : └── pipe
state "Mailclient" as lmtp
lmtp : └── lmtp
state "Mailclient" as smtp_out
smtp_out : └── smtp
state "Daemon " as proxymap
proxymap : ├── proxymap
proxymap : └── proxywrite
}
smtp_in -down-> smtpd
submission --> smtpd
qmqp -right-> qmqpd
sendmail -down-> maildrop
maildrop --> pickup
anvil --> smtpd
dnsblog --> smtpd
verify -down-> smtpd
tlsmgr -up-> smtpd
postscreen --> smtpd
qmqpd --> cleanup
smtpd --> cleanup
pickup --> cleanup
cleanup --> incoming
rewrite -right-> cleanup
tlsproxy -up-> postscreen
incoming --> qmgr
qmgr --> deferred
qmgr --> active
qmgr --> hold
qmgr --> corrupt
resolve --> qmgr
bounce -down-> qmgr
qmgr --> local
qmgr -right-> smtp_out
qmgr --> pipe
qmgr --> lmtp
qmgr -left-> virtual
discard --> qmgr
error --> qmgr
flush --> qmgr
showq --> qmgr
smtp_out -up-> scache
lmtp --> lmtp_24
smtp_out --> smtp_25
smtp_out -up-> tlsmgr
pipe --> mailman
local --> mailbox
note right of cleanup
Lookup Table canonical_maps
Übersetzungstabelle zum
Umschreiben von nicht-lokalen
Empfängeradressen
end note
note right of cleanup
Lookup Table virtual_maps
Tabelle mit der Empfängeradresse
aller lokalen, virtuellen und
entfernten eMailadressen
end note
note right of smtpd
Realtime Blockhole Lists
Nutzung von RBL zum Prüfen
von einliefernden Hosts
reverse DNS-Abfrage z.B.
bei SPAMHAUS
end note
note right of rewrite
Lookup Table relocated_maps
Tabelle für die Bounce-Nachrichten
mit Angabe der neuen eMailadresse
bei verzogenen Accounts.
end note
note left of smtpd
Lookup Table access_client
Lookup Table access_helo
Lookup Table access_recipient
Lookup Table access_recipient-rfc
Lookup Table access_sender
Tabellen zum Black- und Whitelisten
an Hand der IP-Adrese, Hostname,
Empfänger oder Sender
end note
note left of resolve
Lookup Table transport_maps
Tabelle zur adressabhängigen
Weiterleitung an einen
weiteren (finalen) MTA.
end note
note right of local
Lookup Table /etc/aliases
Tabelle mit der lokalen eMails
an lokale Empfänger zugewiesen
werden können.
end note
note left of local
Lookup Table .forward
Tabelle zur Steuerung von
automatischen Anwesenheitsnachrichten
end note
note right of smtp_out
Lookup Table generic_maps
Tabelle zum Umschreiben
von eMailadressen
beim Versenden.
end note
note right of lmtp
Lookup Table lmtp_generic_maps
Tabelle zum Umschreiben von Empfänger
eMail-Adressen im Envelope und Header
end note
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