>Не получается настроить эту связку...
>Делал по доке с оффсайта.
У них на сайте много чего написано, конфигурации там рассмотрены совершенно разные и в данном случае понять, о чём речь нельзя.
>Постфикс отдает письмо дспаму, а тот его возвращает постфиксу при этом никак
>его не помечая...
>
>Postfix (работает в chroot, вирутальные пользователи в базе PostgreSQL).
>
>main.cf:
>smtpd_banner = $myhostname
>biff = no
>
>myhostname = mail0.domain
>myorigin = $mydomain
>mydestination =
>
>alias_maps = $alias_database
>
>virtual_mailbox_maps    = pgsql:/etc/postfix/sql/mailboxes.cf
>virtual_mailbox_domains = pgsql:/etc/postfix/sql/domains.cf
>virtual_uid_maps        = pgsql:/etc/postfix/sql/uids.cf
>virtual_gid_maps        = pgsql:/etc/postfix/sql/gids.cf
>virtual_alias_maps      = pgsql:/etc/postfix/sql/aliases.cf
>virtual_alias_domains   =
>virtual_mailbox_base    = /var/mail
>
>mynetworks = 127.0.0.0/8, 192.168.0.0/24
>mailbox_size_limit = 0
>recipient_delimiter = +
>inet_interfaces = all
>
>smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination
>smtpd_sasl_auth_enable = yes
>smtpd_sasl_security_options = noanonymous
>
># TLS parameters
>smtpd_tls_cert_file=/etc/ssl/certs/smtp.crt
>smtpd_tls_key_file=/etc/ssl/private/smtp.key
>smtpd_use_tls=yes
>smtpd_tls_session_cache_database = btree:${queue_directory}/smtpd_scache
>smtp_tls_session_cache_database = btree:${queue_directory}/smtp_scache
>
>master.cf:
>#
># Postfix master process configuration file.  For details on the format
>
># of the file, see the master(5) manual page (command: "man 5
>master").
>#
># ==========================================================================
># service type  private unpriv  chroot  wakeup  maxproc
>command + args
>#            
>   (yes)   (yes)   (yes)  
> (never) (100)
># ==========================================================================
>#smtp      inet  n    
>   -       -
>      -    
>  -       smtpd
>smtp      inet  n    
>   -       -
>      -    
>  -       smtpd -o
>content_filter=lmtp:unix:/private/dspam
>#submission inet n       -  
>    -      
>-       -    
>   smtpd
>#  -o smtpd_enforce_tls=yes
>#  -o smtpd_sasl_auth_enable=yes
>#  -o smtpd_client_restrictions=permit_sasl_authenticated,reject
>#smtps     inet  n    
>  -       -  
>     -      
> -       smtpd
>#  -o smtpd_tls_wrappermode=yes
>#  -o smtpd_sasl_auth_enable=yes
>#  -o smtpd_client_restrictions=permit_sasl_authenticated,reject
>#628      inet  n    
>   -       -
>      -    
>  -       qmqpd
>pickup    fifo  n      
> -       -  
>    60      1
>      pickup
>cleanup   unix  n      
>-       -    
>   -       0
>      cleanup
>qmgr      fifo  n    
>   -       n
>      300    
>1       qmgr
>#qmgr     fifo  n    
>  -       -  
>     300     1
>      oqmgr
>tlsmgr    unix  -      
> -       -  
>    1000?   1    
>   tlsmgr
>rewrite   unix  -      
>-       -    
>   -       -
>      trivial-rewrite
>bounce    unix  -      
> -       -  
>    -      
>0       bounce
>defer     unix  -    
>  -       -  
>     -      
> 0       bounce
>trace     unix  -    
>  -       -  
>     -      
> 0       bounce
>verify    unix  -      
> -       -  
>    -      
>1       verify
>flush     unix  n    
>  -       -  
>     1000?   0  
>    flush
>proxymap  unix  -       -
>      n    
>  -       -  
>     proxymap
>smtp      unix  -    
>   -       -
>      -    
>  -       smtp
># When relaying mail as backup MX, disable fallback_relay to avoid MX
>loops
>relay     unix  -    
>  -       -  
>     -      
> -       smtp
>        -o fallback_relay=
>#       -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
>showq     unix  n    
>  -       -  
>     -      
> -       showq
>error     unix  -    
>  -       -  
>     -      
> -       error
>discard   unix  -      
>-       -    
>   -       -
>      discard
>local     unix  -    
>  n       n  
>     -      
> -       local
>virtual   unix  -      
>n       n    
>   -       -
>      virtual
>lmtp      unix  -    
>   -       -
>      -    
>  -       lmtp
>anvil     unix  -    
>  -       -  
>     -      
> 1       anvil
>scache    unix  -      
> -       -  
>    -      
>1       scache
>
>localhost:10026 inet  n -       n
>      -    
>  -        smtpd
>
>    -o content_filter=
>    -o receive_override_options=no_unknown_recipient_checks,no_header_body_checks
>    -o smtpd_helo_restrictions=
>    -o smtpd_client_restrictions=
>    -o smtpd_sender_restrictions=
>    -o smtpd_recipient_restrictions=permit_mynetworks,reject
>    -o mynetworks=127.0.0.0/8
>    -o smtpd_authorized_xforward_hosts=127.0.0.0/8
>
>/etc/dspam/default.prefs:
># Training Mode: TEFT, TOE, TUM, NOTRAIN
>trainingMode=TEFT
>
># Spam Action: quarantine, tag
>spamAction=quarantine
>
># Spam Subject: the text to be prepended onto the subject line
>of tagged spams
>spamSubject=[SPAM]
>
># Bayesian Noise Reduction: on/off
>enableBNR=on
>
># Automatic Whitelisting: on/off
>enableWhitelist=on
>
># Statistical Sedation: 0-10
>statisticalSedation=5
>
># Signature Location: message, headers, attachment
>signatureLocation=message
>
># Whitelist Threshold: the minimum number of innocent hits from a recipient
>to
># be automatically whitelisted. Do not set this value too low!
>whitelistThreshold=10
>
># showFactors: when set to on, the determining factors for each message
>will
># be added to a X-DSPAM-Factors message header.
>showFactors=off
>
># optIn/optOut: Depending on the opt mode set, you can also use
>one of these.
>#optIn=on
>#optOut=off
>
>/etc/dspam/dspam.conf:
>Home /var/spool/dspam
>StorageDriver /usr/lib/dspam/libhash_drv.so
>
>DeliveryHost        127.0.0.1
>DeliveryPort        10026
>DeliveryIdent       localhost
>DeliveryProto       SMTP
>
>OnFail error
>
>Trust root
>Trust dspam
>Trust mail
>Trust mailnull
>Trust smmsp
>Trust daemon
>Trust postfix
>
>Debug *
>
>TrainingMode teft
>
>TestConditionalTraining on
>
>Feature chained
>Feature whitelist
>
>Algorithm graham burton
>
>PValue graham
>
>Preference "signatureLocation=message"  # 'message' or 'headers'
>Preference "showFactors=on"
>Preference "spamAction=tag"
>Preference "spamSubject=SPAM"
>
>HashRecMax            
>  98317
>HashAutoExtend          on
>HashMaxExtents          0
>HashExtentSize          49157
>HashMaxSeek            
> 100
>HashConnectionCache     10
>
>Notifications   off
>
>PurgeSignatures 14          #
>Stale signatures
>PurgeNeutral    90        
>  # Tokens with neutralish probabilities
>PurgeUnused     90      
>   # Unused tokens
>PurgeHapaxes    30        
>  # Tokens with less than 5 hits (hapaxes)
>PurgeHits1S     15      
>   # Tokens with only 1 spam hit
>PurgeHits1I     15      
>   # Tokens with only 1 innocent hit
>
>LocalMX 127.0.0.1
>
>SystemLog on
>UserLog   on
>
>Opt in
>
>ParseToHeaders on
>ChangeModeOnParse on
>ChangeUserOnParse full
>
>ServerPID            
>  /var/spool/postfix/pid/dspam
>ServerMode auto
>ServerParameters        "--deliver=innocent"
>ServerIdent            
> "localhost.localdomain"
>ServerDomainSocketPath  "/var/spool/postfix/private/dspam"
>
>ProcessorBias on
>ServerDomainSocketPath  "/var/spool/postfix/private/dspam"
>
>Include /etc/dspam/dspam.d/

Навскидку - у постфикса content_filter=lmtp:unix:/private/dspam, а у dspam  ServerDomainSocketPath "/var/spool/postfix/private/dspam" и откуда ему известно, что с ним по lmtp протоколу разговаривают?