Hi.

I'e got a problem I've been trying to solve for some time now, but I can't seem to get it to work. I'm running Postfix on FreeBSD with Maildrop delivery, SASL authentification and PostGreSQL backend. However I'm sending tons of backscatter because Postfix dosn't reject mail for unknown local recipients

I've tried setting local_recipient_maps and unknown_local_recipient_reject_code = 550 - Nothing seems to help though... Anyone with some pointers as to where I should look for the error?

# postconf -n

alias_maps =
broken_sasl_auth_clients = yes
command_directory = /usr/local/sbin
config_directory = /usr/local/etc/postfix
content_filter = smtp-amavis:[127.0.0.1]:10026
daemon_directory = /usr/local/libexec/postfix
data_directory = /var/db/postfix
debug_peer_level = 2
html_directory = /usr/local/share/doc/postfix
in_flow_delay = 0
local_recipient_maps = proxy:pgsql:/usr/local/etc/postfix/local_recipient_maps
mail_owner = postfix
mailq_path = /usr/local/bin/mailq
manpage_directory = /usr/local/man
message_size_limit = 41943040
mydestination =
mynetworks = 10.10.10.0/24, 127.0.0.0/8
newaliases_path = /usr/local/bin/newaliases
proxy_interfaces = 194.255.69.21
proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks $smtpd_sender_login_maps $smtp_sasl_password_maps
queue_directory = /var/spool/postfix
readme_directory = /usr/local/share/doc/postfix
relay_domains = proxy:pgsql:/usr/local/etc/postfix/relaydomainmap
relay_recipient_maps = proxy:pgsql:/usr/local/etc/postfix/relayaliasmap
sample_directory = /usr/local/etc/postfix
sendmail_path = /usr/local/sbin/sendmail
setgid_group = maildrop
smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination, reject_unlisted_recipient
smtpd_sasl_auth_enable = yes
smtpd_sasl_authenticated_header = yes
smtpd_sasl_local_domain = pixelpoint.dk
smtpd_sasl_path = smtpd
smtpd_sender_login_maps = proxy:pgsql:/usr/local/etc/postfix/saslmap
smtpd_tls_auth_only = no
smtpd_tls_cert_file = /usr/local/share/courier-imap/imapd.pem
smtpd_tls_key_file = /usr/local/share/courier-imap/imapd.pem
smtpd_tls_loglevel = 1
smtpd_tls_received_header = yes
smtpd_use_tls = yes
transport_maps = proxy:pgsql:/usr/local/etc/postfix/mxmap
unknown_local_recipient_reject_code = 550
virtual_alias_maps = proxy:pgsql:/usr/local/etc/postfix/aliasmap
virtual_mailbox_domains = proxy:pgsql:/usr/local/etc/postfix/domainmap
virtual_transport = maildrop

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       -       n       -       -       smtpd
  -o content_filter=smtp-amavis:[127.0.0.1]:10024
  -o smtp_send_xforward_command=yes
submission inet n       -       n       -       -       smtpd
#  -o smtpd_enforce_tls=yes
  -o smtpd_etrn_restrictions=reject
  -o smtpd_sasl_auth_enable=yes
  -o smtpd_client_restrictions=permit_sasl_authenticated,reject
  -o content_filter=smtp-amavis:[127.0.0.1]:10026
#smtps     inet  n       -       n       -       -       smtpd
#  -o smtpd_tls_wrappermode=yes
#  -o smtpd_sasl_auth_enable=yes
#  -o smtpd_client_restrictions=permit_sasl_authenticated,reject
#628      inet  n       -       n       -       -       qmqpd
pickup    fifo  n       -       n       60      1       pickup
cleanup   unix  n       -       n       -       0       cleanup
qmgr      fifo  n       -       n       300     1       qmgr
#qmgr     fifo  n       -       n       300     1       oqmgr
tlsmgr    unix  -       -       n       1000?   1       tlsmgr
rewrite   unix  -       -       n       -       -       trivial-rewrite
bounce    unix  -       -       n       -       0       bounce
defer     unix  -       -       n       -       0       bounce
trace     unix  -       -       n       -       0       bounce
verify    unix  -       -       n       -       1       verify
flush     unix  n       -       n       1000?   0       flush
proxymap  unix  -       -       n       -       -       proxymap
smtp      unix  -       -       n       -       -       smtp
# When relaying mail as backup MX, disable fallback_relay to avoid MX loops
relay     unix  -       -       n       -       -       smtp
        -o fallback_relay=
#       -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
showq     unix  n       -       n       -       -       showq
error     unix  -       -       n       -       -       error
retry     unix  -       -       n       -       -       error
discard   unix  -       -       n       -       -       discard
local     unix  -       n       n       -       -       local
virtual   unix  -       n       n       -       -       virtual
lmtp      unix  -       -       n       -       -       lmtp
anvil     unix  -       -       n       -       1       anvil
scache    unix  -       -       n       -       1       scache
#
# ====================================================================
# Interfaces to non-Postfix software. Be sure to examine the manual
# pages of the non-Postfix software to find out what options it wants.
#
# Many of the following services use the Postfix pipe(8) delivery
# agent.  See the pipe(8) man page for information about ${recipient}
# and other message envelope options.
# ====================================================================
#
# maildrop. See the Postfix MAILDROP_README file for details.
# Also specify in main.cf: maildrop_destination_recipient_limit=1
#
maildrop  unix  -       n       n       -       -       pipe
flags=DRhu user=courier:courier argv=/usr/local/bin/maildrop -w 90 -d ${recipient}
#
# ====================================================================
#
# The Cyrus deliver program has changed incompatibly, multiple times.
#
#old-cyrus unix  -       n       n       -       -       pipe
#  flags=R user=cyrus argv=/cyrus/bin/deliver -e -m ${extension} ${user}
#
# ====================================================================
#
# Cyrus 2.1.5 (Amos Gouaux)
# Also specify in main.cf: cyrus_destination_recipient_limit=1
#
#cyrus     unix  -       n       n       -       -       pipe
# user=cyrus argv=/cyrus/bin/deliver -e -r ${sender} -m ${extension} ${user}
#
# ====================================================================
#
# See the Postfix UUCP_README file for configuration details.
#
#uucp      unix  -       n       n       -       -       pipe
# flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
#
# ====================================================================
#
# Other external delivery methods.
#
#ifmail    unix  -       n       n       -       -       pipe
#  flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
#
#bsmtp     unix  -       n       n       -       -       pipe
# flags=Fq. user=bsmtp argv=/usr/local/sbin/bsmtp -f $sender $nexthop $recipient
#
#scalemail-backend unix -       n       n       -       2       pipe
#  flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store
#  ${nexthop} ${user} ${extension}
#
#mailman   unix  -       n       n       -       -       pipe
#  flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py
#  ${nexthop} ${user}

#start virusscan
smtp-amavis unix -      -       n       -       -  smtp
    -o smtp_data_done_timeout=1200
    -o disable_dns_lookups=yes

127.0.0.1:10025 inet n  -       n       -       -  smtpd
    -o content_filter=
    -o local_recipient_maps=
    -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 virtual_alias_maps = proxy:pgsql:/usr/local/etc/postfix/aliasmap
#end virusscan
proxywrite unix -       -       n       -       1       proxymap
#smtp      inet  n       -       n       -       1       postscreen
#smtpd     pass  -       -       n       -       -       smtpd
#dnsblog   unix  -       -       n       -       0       dnsblog
#tlsproxy  unix  -       -       n       -       0       tlsproxy

--
Best regards
Martin Kruse Jensen

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