Submission Port - receive_override_options=no_header_body_checks funktioniert nicht
Andreas Wass - Glas Gasperlmair
a.wass at glas-gasperlmair.at
Do Sep 9 09:11:25 CEST 2021
Guten Morgen Allerseits,
bin jetzt zumindest mal soweit, dass Header- und Bodychecks bei Mails
von extern geprüft und ggf. in die hold-queue gestellt werden und dass
die Checks bei internen mails nicht zur Anwendung kommen. (genau so soll
es sein)
Das funktioniert aber nur, wenn ich amavisd für submission port
deaktiviere (s. master.cf)
Wenn ich für submission port die Zeile *-o
content_filter=smtp:[127.0.0.1]:10030* aktiviere, dann werden die
Header- und Bodychecks auch intern angewendet, was ich nicht möchte.
Viren und Spamcheck für interne mails möchte ich aber auch nicht abschalten.
# ==========================================================================
#smtp inet n - y - - smtpd
# Port 25 - alle extern ankommenden mails per postscreen pruefen
smtp inet n - y - 1 postscreen
smtpd pass - - y - - smtpd
# SASL auf port 25 nicht zulassen (senden nur über submission s. unten)
-o smtpd_sasl_auth_enable=no
*# extern ankommende Mails per smtpd_proxy_filter an amavis übergeben**
** -o smtpd_proxy_filter=localhost:10024*
dnsblog unix - - y - 0 dnsblog
tlsproxy unix - - y - 0 tlsproxy
# Port 587 - Senden von mails nur über diesen Port zulassen
*submission inet n - y - - smtpd*
-o syslog_name=postfix/submission
-o smtpd_tls_security_level=encrypt
-o smtpd_sasl_auth_enable=yes
# -o smtpd_tls_auth_only=yes
-o receive_override_options=no_header_body_checks
-o smtpd_reject_unlisted_recipient=no
# -o smtpd_client_restrictions=$mua_client_restrictions
# -o smtpd_helo_restrictions=$mua_helo_restrictions
# -o smtpd_sender_restrictions=$mua_sender_restrictions
-o smtpd_recipient_restrictions=
-o smtpd_relay_restrictions=permit_sasl_authenticated,reject
# -o milter_macro_daemon_name=ORIGINATING
*# zu sendende mails (z.B. Thunderbird) per content_filter an amavis
übergeben*
*# -o content_filter=smtp:[127.0.0.1]:10030*
#smtps inet n - y - - smtpd
# -o syslog_name=postfix/smtps
# -o smtpd_tls_wrappermode=yes
# -o smtpd_sasl_auth_enable=yes
# -o smtpd_reject_unlisted_recipient=no
# -o smtpd_client_restrictions=$mua_client_restrictions
# -o smtpd_helo_restrictions=$mua_helo_restrictions
# -o smtpd_sender_restrictions=$mua_sender_restrictions
# -o smtpd_recipient_restrictions=
# -o smtpd_relay_restrictions=permit_sasl_authenticated,reject
# -o milter_macro_daemon_name=ORIGINATING
#628 inet n - y - - qmqpd
pickup unix n - y 60 1 pickup
cleanup unix n - y - 0 cleanup
qmgr unix n - n 300 1 qmgr
#qmgr unix n - n 300 1 oqmgr
tlsmgr unix - - y 1000? 1 tlsmgr
rewrite unix - - y - - trivial-rewrite
bounce unix - - y - 0 bounce
defer unix - - y - 0 bounce
trace unix - - y - 0 bounce
verify unix - - y - 1 verify
flush unix n - y 1000? 0 flush
proxymap unix - - n - - proxymap
proxywrite unix - - n - 1 proxymap
smtp unix - - y - - smtp
relay unix - - y - - smtp
-o syslog_name=postfix/$service_name
# -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
showq unix n - y - - showq
error unix - - y - - error
retry unix - - y - - error
discard unix - - y - - discard
local unix - n n - - local
virtual unix - n n - - virtual
lmtp unix - - y - - lmtp
anvil unix - - y - 1 anvil
scache unix - - y - 1 scache
postlog unix-dgram n - n - 1 postlogd
#
# ====================================================================
# 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=DRXhu user=vmail argv=/usr/bin/maildrop -d ${recipient}
#
# ====================================================================
#
# Recent Cyrus versions can use the existing "lmtp" master.cf entry.
#
# Specify in cyrus.conf:
# lmtp cmd="lmtpd -a" listen="localhost:lmtp" proto=tcp4
#
# Specify in main.cf one or more of the following:
# mailbox_transport = lmtp:inet:localhost
# virtual_transport = lmtp:inet:localhost
#
# ====================================================================
#
# Cyrus 2.1.5 (Amos Gouaux)
# Also specify in main.cf: cyrus_destination_recipient_limit=1
#
#cyrus unix - n n - - pipe
# flags=DRX user=cyrus argv=/cyrus/bin/deliver -e -r ${sender} -m
${extension} ${user}
#
# ====================================================================
# Old example of delivery via Cyrus.
#
#old-cyrus unix - n n - - pipe
# flags=R user=cyrus argv=/cyrus/bin/deliver -e -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/lib/bsmtp/bsmtp -t$nexthop -f$sender
$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=FRX user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py
${nexthop} ${user}
# Rückgabe der untersuchten Mails von amavis an postfix
*localhost:10025 inet n - - - - smtpd**
** -o content_filter=**
** -o smtpd_proxy_filter=**
** -o smtpd_authorized_xforward_hosts=127.0.0.0/8**
** -o smtpd_client_restrictions=**
** -o smtpd_helo_restrictions=**
** -o smtpd_sender_restrictions=**
** -o smtpd_recipient_restrictions=permit_mynetworks,reject**
** -o smtpd_data_restrictions=**
** -o mynetworks=127.0.0.0/8**
** -o receive_override_options=no_unknown_recipient_checks**
**## Folgende Zeile verhindert die checks komplett (zur Zeit)**
**## -o
receive_override_options=no_header_body_checks,no_unknown_recipient_checks*
vg, Andi
Am 07.09.2021 um 16:32 schrieb Robert Schetterer:
> Am 07.09.21 um 08:51 schrieb Andreas Wass - Glas Gasperlmair:
>> Hallo Liste,
>>
>> Möchte Header- und Bodychecks für submission port deaktivieren, hab
>> den receive_override_options=no_header_body_checks brav in die
>> master.cf wie folgt eingetragen, allerdings funktioniert das nicht.
>
> http://www.postfix.org/FILTER_README.html
>
> NOTE: do not use spaces around the "=" or "," characters
>
> ich hab mich mal daemlich gesucht weil ich da einen whitespace
> hatte, evtl mal checken
>
>
>>
>> Mails mit diversen Keyword werden sowohl an port 25 (wo es ja
>> berechtigt ist) als auch am submission (wo sie durchgelassen werden
>> solten) in die HOLD queue gestellt.
>>
>> #
>> ==========================================================================
>> # service type private unpriv chroot wakeup maxproc command + args
>> # (yes) (yes) (no) (never) (100)
>> #
>> ==========================================================================
>> #smtp inet n - y - - smtpd
>> # Port 25 - alle extern ankommenden mails per postscreen pruefen
>> smtp inet n - y - 1 postscreen
>> smtpd pass - - y - - smtpd
>> # SASL auf port 25 nicht zulassen (senden nur über submission s. unten)
>> -o smtpd_sasl_auth_enable=no
>> # extern ankommende Mails per smtpd_proxy_filter an amavis übergeben
>> -o smtpd_proxy_filter=localhost:10024
>> dnsblog unix - - y - 0 dnsblog
>> tlsproxy unix - - y - 0 tlsproxy
>> # Port 587 - Senden von mails nur über diesen Port zulassen
>> *submission inet n - y - - smtpd**
>> ** -o receive_override_options=no_header_body_checks*
>> -o syslog_name=postfix/submission
>> -o smtpd_tls_security_level=encrypt
>> -o smtpd_sasl_auth_enable=yes
>> # -o smtpd_tls_auth_only=yes
>> -o smtpd_reject_unlisted_recipient=no
>> # -o smtpd_client_restrictions=$mua_client_restrictions
>> # -o smtpd_helo_restrictions=$mua_helo_restrictions
>> # -o smtpd_sender_restrictions=$mua_sender_restrictions
>> -o smtpd_recipient_restrictions=
>> -o smtpd_relay_restrictions=permit_sasl_authenticated,reject
>> # -o receive_override_options=no_header_body_checks
>> # -o milter_macro_daemon_name=ORIGINATING
>> # zu sendende mails (z.B. Thunderbird) per content_filter an amavis
>> übergeben
>> -o content_filter=smtp:[127.0.0.1]:10030
>> #smtps inet n - y - - smtpd
>> # -o syslog_name=postfix/smtps
>> # -o smtpd_tls_wrappermode=yes
>> # -o smtpd_sasl_auth_enable=yes
>> # -o smtpd_reject_unlisted_recipient=no
>> # -o smtpd_client_restrictions=$mua_client_restrictions
>> # -o smtpd_helo_restrictions=$mua_helo_restrictions
>> # -o smtpd_sender_restrictions=$mua_sender_restrictions
>> # -o smtpd_recipient_restrictions=
>> # -o smtpd_relay_restrictions=permit_sasl_authenticated,reject
>> # -o milter_macro_daemon_name=ORIGINATING
>> #628 inet n - y - - qmqpd
>> pickup unix n - y 60 1 pickup
>> cleanup unix n - y - 0 cleanup
>> qmgr unix n - n 300 1 qmgr
>> #qmgr unix n - n 300 1 oqmgr
>> tlsmgr unix - - y 1000? 1 tlsmgr
>> rewrite unix - - y - - trivial-rewrite
>> bounce unix - - y - 0 bounce
>> defer unix - - y - 0 bounce
>> trace unix - - y - 0 bounce
>> verify unix - - y - 1 verify
>> flush unix n - y 1000? 0 flush
>> proxymap unix - - n - - proxymap
>> proxywrite unix - - n - 1 proxymap
>> smtp unix - - y - - smtp
>> relay unix - - y - - smtp
>> -o syslog_name=postfix/$service_name
>> # -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
>> showq unix n - y - - showq
>> error unix - - y - - error
>> retry unix - - y - - error
>> discard unix - - y - - discard
>> local unix - n n - - local
>> virtual unix - n n - - virtual
>> lmtp unix - - y - - lmtp
>> anvil unix - - y - 1 anvil
>> scache unix - - y - 1 scache
>> postlog unix-dgram n - n - 1 postlogd
>> #
>> # ====================================================================
>> # 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=DRXhu user=vmail argv=/usr/bin/maildrop -d ${recipient}
>> #
>> # ====================================================================
>> #
>> # Recent Cyrus versions can use the existing "lmtp" master.cf entry.
>> #
>> # Specify in cyrus.conf:
>> # lmtp cmd="lmtpd -a" listen="localhost:lmtp" proto=tcp4
>> #
>> # Specify in main.cf one or more of the following:
>> # mailbox_transport = lmtp:inet:localhost
>> # virtual_transport = lmtp:inet:localhost
>> #
>> # ====================================================================
>> #
>> # Cyrus 2.1.5 (Amos Gouaux)
>> # Also specify in main.cf: cyrus_destination_recipient_limit=1
>> #
>> #cyrus unix - n n - - pipe
>> # flags=DRX user=cyrus argv=/cyrus/bin/deliver -e -r ${sender} -m
>> ${extension} ${user}
>> #
>> # ====================================================================
>> # Old example of delivery via Cyrus.
>> #
>> #old-cyrus unix - n n - - pipe
>> # flags=R user=cyrus argv=/cyrus/bin/deliver -e -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/lib/bsmtp/bsmtp -t$nexthop
>> -f$sender $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=FRX user=list
>> argv=/usr/lib/mailman/bin/postfix-to-mailman.py ${nexthop} ${user}
>> # Rückgabe der untersuchten Mails von amavis an postfix
>> localhost:10025 inet n - - - - smtpd
>> -o content_filter=
>> -o smtpd_proxy_filter=
>> -o smtpd_authorized_xforward_hosts=127.0.0.0/8
>> -o smtpd_client_restrictions=
>> -o smtpd_helo_restrictions=
>> -o smtpd_sender_restrictions=
>> -o smtpd_recipient_restrictions=permit_mynetworks,reject
>> -o smtpd_data_restrictions=
>> -o mynetworks=127.0.0.0/8
>> -o receive_override_options=no_unknown_recipient_checks
>>
>>
>> vg, Andi
>
>
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