diff --git a/.gitignore b/.gitignore index 5782cad952..0169c439ab 100644 --- a/.gitignore +++ b/.gitignore @@ -36,6 +36,7 @@ data/conf/postfix/extra.cf data/conf/postfix/sni.map data/conf/postfix/sni.map.db data/conf/postfix/sql +data/conf/postfix/dns_blocklists.cf data/conf/rspamd/custom/* data/conf/rspamd/local.d/* data/conf/rspamd/override.d/* diff --git a/data/Dockerfiles/postfix/Dockerfile b/data/Dockerfiles/postfix/Dockerfile index 07ab8949c7..4a894fd4f2 100644 --- a/data/Dockerfiles/postfix/Dockerfile +++ b/data/Dockerfiles/postfix/Dockerfile @@ -33,6 +33,7 @@ RUN groupadd -g 102 postfix \ syslog-ng-core \ syslog-ng-mod-redis \ tzdata \ + whois \ && rm -rf /var/lib/apt/lists/* \ && touch /etc/default/locale \ && printf '#!/bin/bash\n/usr/sbin/postconf -c /opt/postfix/conf "$@"' > /usr/local/sbin/postconf \ diff --git a/data/Dockerfiles/postfix/postfix.sh b/data/Dockerfiles/postfix/postfix.sh index 78b070e0ef..d0ba8aac08 100755 --- a/data/Dockerfiles/postfix/postfix.sh +++ b/data/Dockerfiles/postfix/postfix.sh @@ -393,6 +393,111 @@ query = SELECT goto FROM spamalias AND validity >= UNIX_TIMESTAMP() EOF +if [ -n "$SPAMHAUS_DQS_KEY" ]; then + echo -e "\e[32mDetected SPAMHAUS_DQS_KEY variable from mailcow.conf...\e[0m" + echo -e "\e[33mUsing DQS Blocklists from Spamhaus!\e[0m" + cat < /opt/postfix/conf/dns_blocklists.cf + # Autogenerated by mailcow + postscreen_dnsbl_sites = wl.mailspike.net=127.0.0.[18;19;20]*-2 + hostkarma.junkemailfilter.com=127.0.0.1*-2 + list.dnswl.org=127.0.[0..255].0*-2 + list.dnswl.org=127.0.[0..255].1*-4 + list.dnswl.org=127.0.[0..255].2*-6 + list.dnswl.org=127.0.[0..255].3*-8 + ix.dnsbl.manitu.net*2 + bl.spamcop.net*2 + bl.suomispam.net*2 + hostkarma.junkemailfilter.com=127.0.0.2*3 + hostkarma.junkemailfilter.com=127.0.0.4*2 + hostkarma.junkemailfilter.com=127.0.1.2*1 + backscatter.spameatingmonkey.net*2 + bl.ipv6.spameatingmonkey.net*2 + bl.spameatingmonkey.net*2 + b.barracudacentral.org=127.0.0.2*7 + bl.mailspike.net=127.0.0.2*5 + bl.mailspike.net=127.0.0.[10;11;12]*4 + dnsbl.sorbs.net=127.0.0.10*8 + dnsbl.sorbs.net=127.0.0.5*6 + dnsbl.sorbs.net=127.0.0.7*3 + dnsbl.sorbs.net=127.0.0.8*2 + dnsbl.sorbs.net=127.0.0.6*2 + dnsbl.sorbs.net=127.0.0.9*2 + ${SPAMHAUS_DQS_KEY}.zen.dq.spamhaus.net=127.0.0.[4..7]*6 + ${SPAMHAUS_DQS_KEY}.zen.dq.spamhaus.org=127.0.0.[10;11]*8 + ${SPAMHAUS_DQS_KEY}.zen.dq.spamhaus.org=127.0.0.3*4 + ${SPAMHAUS_DQS_KEY}.zen.dq.spamhaus.org=127.0.0.2*3 + ${SPAMHAUS_DQS_KEY}.dbl.dq.spamhaus.net=127.0.0.3*4 + ${SPAMHAUS_DQS_KEY}.zrd.dq.spamhaus.net=127.0.0.2*3 +EOF + +else + if curl -s http://fuzzy.mailcow.email/asn_list.txt | grep $(whois -h whois.radb.net $(curl -s http://ipv4.mailcow.email) | grep -i origin | tr -s " " | cut -d " " -f2 | head -1) > /dev/null; then + echo -e "\e[31mThe AS of your IP is listed as a banned AS from Spamhaus!\e[0m" + echo -e "\e[33mNo SPAMHAUS_DQS_KEY found... Skipping Spamhaus blocklists entirely!\e[0m" + cat < /opt/postfix/conf/dns_blocklists.cf + # Autogenerated by mailcow + postscreen_dnsbl_sites = wl.mailspike.net=127.0.0.[18;19;20]*-2 + hostkarma.junkemailfilter.com=127.0.0.1*-2 + list.dnswl.org=127.0.[0..255].0*-2 + list.dnswl.org=127.0.[0..255].1*-4 + list.dnswl.org=127.0.[0..255].2*-6 + list.dnswl.org=127.0.[0..255].3*-8 + ix.dnsbl.manitu.net*2 + bl.spamcop.net*2 + bl.suomispam.net*2 + hostkarma.junkemailfilter.com=127.0.0.2*3 + hostkarma.junkemailfilter.com=127.0.0.4*2 + hostkarma.junkemailfilter.com=127.0.1.2*1 + backscatter.spameatingmonkey.net*2 + bl.ipv6.spameatingmonkey.net*2 + bl.spameatingmonkey.net*2 + b.barracudacentral.org=127.0.0.2*7 + bl.mailspike.net=127.0.0.2*5 + bl.mailspike.net=127.0.0.[10;11;12]*4 + dnsbl.sorbs.net=127.0.0.10*8 + dnsbl.sorbs.net=127.0.0.5*6 + dnsbl.sorbs.net=127.0.0.7*3 + dnsbl.sorbs.net=127.0.0.8*2 + dnsbl.sorbs.net=127.0.0.6*2 + dnsbl.sorbs.net=127.0.0.9*2 +EOF + else + echo -e "\e[32mThe AS of your IP is NOT listed as a banned AS from Spamhaus!\e[0m" + echo -e "\e[33mUsing the open Spamhaus blocklists.\e[0m" + cat < /opt/postfix/conf/dns_blocklists.cf + # Autogenerated by mailcow + postscreen_dnsbl_sites = wl.mailspike.net=127.0.0.[18;19;20]*-2 + hostkarma.junkemailfilter.com=127.0.0.1*-2 + list.dnswl.org=127.0.[0..255].0*-2 + list.dnswl.org=127.0.[0..255].1*-4 + list.dnswl.org=127.0.[0..255].2*-6 + list.dnswl.org=127.0.[0..255].3*-8 + ix.dnsbl.manitu.net*2 + bl.spamcop.net*2 + bl.suomispam.net*2 + hostkarma.junkemailfilter.com=127.0.0.2*3 + hostkarma.junkemailfilter.com=127.0.0.4*2 + hostkarma.junkemailfilter.com=127.0.1.2*1 + backscatter.spameatingmonkey.net*2 + bl.ipv6.spameatingmonkey.net*2 + bl.spameatingmonkey.net*2 + b.barracudacentral.org=127.0.0.2*7 + bl.mailspike.net=127.0.0.2*5 + bl.mailspike.net=127.0.0.[10;11;12]*4 + dnsbl.sorbs.net=127.0.0.10*8 + dnsbl.sorbs.net=127.0.0.5*6 + dnsbl.sorbs.net=127.0.0.7*3 + dnsbl.sorbs.net=127.0.0.8*2 + dnsbl.sorbs.net=127.0.0.6*2 + dnsbl.sorbs.net=127.0.0.9*2 + zen.spamhaus.org=127.0.0.[10;11]*8 + zen.spamhaus.org=127.0.0.[4..7]*6 + zen.spamhaus.org=127.0.0.3*4 + zen.spamhaus.org=127.0.0.2*3 +EOF + fi +fi + sed -i '/User overrides/q' /opt/postfix/conf/main.cf echo >> /opt/postfix/conf/main.cf touch /opt/postfix/conf/extra.cf diff --git a/data/conf/postfix/main.cf b/data/conf/postfix/main.cf index a445b60ce9..a5751c65c7 100644 --- a/data/conf/postfix/main.cf +++ b/data/conf/postfix/main.cf @@ -40,34 +40,6 @@ postscreen_blacklist_action = drop postscreen_cache_cleanup_interval = 24h postscreen_cache_map = proxy:btree:$data_directory/postscreen_cache postscreen_dnsbl_action = enforce -postscreen_dnsbl_sites = wl.mailspike.net=127.0.0.[18;19;20]*-2 - hostkarma.junkemailfilter.com=127.0.0.1*-2 - list.dnswl.org=127.0.[0..255].0*-2 - list.dnswl.org=127.0.[0..255].1*-4 - list.dnswl.org=127.0.[0..255].2*-6 - list.dnswl.org=127.0.[0..255].3*-8 - ix.dnsbl.manitu.net*2 - bl.spamcop.net*2 - bl.suomispam.net*2 - hostkarma.junkemailfilter.com=127.0.0.2*3 - hostkarma.junkemailfilter.com=127.0.0.4*2 - hostkarma.junkemailfilter.com=127.0.1.2*1 - backscatter.spameatingmonkey.net*2 - bl.ipv6.spameatingmonkey.net*2 - bl.spameatingmonkey.net*2 - b.barracudacentral.org=127.0.0.2*7 - bl.mailspike.net=127.0.0.2*5 - bl.mailspike.net=127.0.0.[10;11;12]*4 - dnsbl.sorbs.net=127.0.0.10*8 - dnsbl.sorbs.net=127.0.0.5*6 - dnsbl.sorbs.net=127.0.0.7*3 - dnsbl.sorbs.net=127.0.0.8*2 - dnsbl.sorbs.net=127.0.0.6*2 - dnsbl.sorbs.net=127.0.0.9*2 - zen.spamhaus.org=127.0.0.[10;11]*8 - zen.spamhaus.org=127.0.0.[4..7]*6 - zen.spamhaus.org=127.0.0.3*4 - zen.spamhaus.org=127.0.0.2*3 postscreen_dnsbl_threshold = 6 postscreen_dnsbl_ttl = 5m postscreen_greet_action = enforce diff --git a/docker-compose.yml b/docker-compose.yml index 1537da7dd3..865dacb2f5 100644 --- a/docker-compose.yml +++ b/docker-compose.yml @@ -297,7 +297,7 @@ services: - dovecot postfix-mailcow: - image: mailcow/postfix:1.68 + image: mailcow/postfix:1.69 depends_on: - mysql-mailcow volumes: @@ -317,6 +317,7 @@ services: - REDIS_SLAVEOF_IP=${REDIS_SLAVEOF_IP:-} - REDIS_SLAVEOF_PORT=${REDIS_SLAVEOF_PORT:-} - MAILCOW_HOSTNAME=${MAILCOW_HOSTNAME} + - SPAMHAUS_DQS_KEY=${SPAMHAUS_DQS_KEY:-} cap_add: - NET_BIND_SERVICE ports: diff --git a/generate_config.sh b/generate_config.sh index 0232d3a18e..ce550e46fe 100755 --- a/generate_config.sh +++ b/generate_config.sh @@ -21,7 +21,7 @@ if grep --help 2>&1 | head -n 1 | grep -q -i "busybox"; then echo "BusyBox grep if cp --help 2>&1 | head -n 1 | grep -q -i "busybox"; then echo "BusyBox cp detected, please install coreutils, \"apk add --no-cache --upgrade coreutils\""; exit 1; fi if sed --help 2>&1 | head -n 1 | grep -q -i "busybox"; then echo "BusyBox sed detected, please install gnu sed, \"apk add --no-cache --upgrade sed\""; exit 1; fi -for bin in openssl curl docker git awk sha1sum; do +for bin in openssl curl docker git awk sha1sum grep cut whois; do if [[ -z $(which ${bin}) ]]; then echo "Cannot find ${bin}, exiting..."; exit 1; fi done @@ -58,6 +58,23 @@ else exit 1 fi +detect_bad_asn() { + if [[ curl -s http://fuzzy.mailcow.email/asn_list.txt | grep $(whois -h whois.radb.net $(curl -s http://ipv4.mailcow.email) | grep -i origin | tr -s " " | cut -d " " -f2 | head -1) ]]; then + if ! $SPAMHAUS_DQS_KEY; then + echo -e "\e[31mYour server's public IP uses an AS that is blocked by Spamhaus to use their DNS blocklists for Postfix." + echo -e "\e[31mmailcow did not detected a value for the variable SPAMHAUS_DQS_KEY inside mailcow.conf!" + echo "" + echo -e "\e[31mTo use the Spamhaus DNS Blocklists again, you will need to create a FREE account for their Data Query Service (DQS) at: https://www.spamhaus.com/free-trial/sign-up-for-a-free-data-query-service-account" + echo -e "\e[31mOnce done, enter your DQS API key in mailcow.conf and mailcow will do the rest for you!" + sleep 2 + + else + echo -e "\e[31mYour server's public IP uses an AS that is blocked by Spamhaus to use their DNS blocklists for Postfix." + echo -e "\e[33mmailcow detected a Value for the variable SPAMHAUS_DQS_KEY inside mailcow.conf. Postfix will use DQS with the given API key..." + fi + fi +} + ### If generate_config.sh is started with --dev or -d it will not check out nightly or master branch and will keep on the current branch if [[ ${1} == "--dev" || ${1} == "-d" ]]; then SKIP_BRANCH=y @@ -431,6 +448,13 @@ ACME_CONTACT= # root certificates can be placed for validation under mailcow-dockerized/data/web/inc/lib/WebAuthn/rootCertificates WEBAUTHN_ONLY_TRUSTED_VENDORS=n +# Spamhaus Data Query Service Key +# Optional: Leave empty for none +# Enter your key here if you are using a blocked ASN (OVH, AWS, Cloudflare e.g) for the unregistered Spamhaus Blocklist. +# If empty, it will completely disable Spamhaus blocklists if it detects that you are running on a server using a blocked AS. +# Otherwise it will work normally. +SPAMHAUS_DQS_KEY= + EOF mkdir -p data/assets/ssl @@ -503,3 +527,5 @@ else echo '?>' >> data/web/inc/app_info.inc.php echo -e "\e[33mCannot determine current git repository version...\e[0m" fi + +detect_bad_asn \ No newline at end of file diff --git a/update.sh b/update.sh index e68fe29333..23c25becd9 100755 --- a/update.sh +++ b/update.sh @@ -255,6 +255,25 @@ elif [ "${DOCKER_COMPOSE_VERSION}" == "standalone" ]; then fi } +detect_bad_asn() { + if curl -s http://fuzzy.mailcow.email/asn_list.txt | grep $(whois -h whois.radb.net $(curl -s http://ipv4.mailcow.email) | grep -i origin | tr -s " " | cut -d " " -f2 | head -1) > /dev/null ; then + if [ -z "$SPAMHAUS_DQS_KEY" ]; then + echo -e "\e[33mYour server's public IP uses an AS that is blocked by Spamhaus to use their DNS public blocklists for Postfix.\e[0m" + echo -e "\e[33mmailcow did not detected a value for the variable SPAMHAUS_DQS_KEY inside mailcow.conf!\e[0m" + sleep 2 + echo "" + echo -e "\e[33mTo use the Spamhaus DNS Blocklists again, you will need to create a FREE account for their Data Query Service (DQS) at: https://www.spamhaus.com/free-trial/sign-up-for-a-free-data-query-service-account\e[0m" + echo -e "\e[33mOnce done, enter your DQS API key in mailcow.conf and mailcow will do the rest for you!\e[0m" + echo "" + sleep 2 + + else + echo -e "\e[33mYour server's public IP uses an AS that is blocked by Spamhaus to use their DNS public blocklists for Postfix.\e[0m" + echo -e "\e[32mmailcow detected a Value for the variable SPAMHAUS_DQS_KEY inside mailcow.conf. Postfix will use DQS with the given API key...\e[0m" + fi + fi +} + ############## End Function Section ############## # Check permissions @@ -301,7 +320,7 @@ umask 0022 unset COMPOSE_COMMAND unset DOCKER_COMPOSE_VERSION -for bin in curl docker git awk sha1sum; do +for bin in curl docker git awk sha1sum grep cut whois; do if [[ -z $(command -v ${bin}) ]]; then echo "Cannot find ${bin}, exiting..." exit 1; @@ -442,8 +461,11 @@ CONFIG_ARRAY=( "ACME_CONTACT" "WATCHDOG_VERBOSE" "WEBAUTHN_ONLY_TRUSTED_VENDORS" + "SPAMHAUS_DQS_KEY" ) +detect_bad_asn + sed -i --follow-symlinks '$a\' mailcow.conf for option in ${CONFIG_ARRAY[@]}; do if [[ ${option} == "ADDITIONAL_SAN" ]]; then @@ -642,6 +664,7 @@ for option in ${CONFIG_ARRAY[@]}; do fi elif [[ ${option} == "ADDITIONAL_SERVER_NAMES" ]]; then if ! grep -q ${option} mailcow.conf; then + echo "Adding new option \"${option}\" to mailcow.conf" echo '# Additional server names for mailcow UI' >> mailcow.conf echo '#' >> mailcow.conf echo '# Specify alternative addresses for the mailcow UI to respond to' >> mailcow.conf @@ -653,25 +676,38 @@ for option in ${CONFIG_ARRAY[@]}; do fi elif [[ ${option} == "ACME_CONTACT" ]]; then if ! grep -q ${option} mailcow.conf; then + echo "Adding new option \"${option}\" to mailcow.conf" echo '# Lets Encrypt registration contact information' >> mailcow.conf echo '# Optional: Leave empty for none' >> mailcow.conf echo '# This value is only used on first order!' >> mailcow.conf echo '# Setting it at a later point will require the following steps:' >> mailcow.conf echo '# https://docs.mailcow.email/troubleshooting/debug-reset_tls/' >> mailcow.conf echo 'ACME_CONTACT=' >> mailcow.conf - fi + fi elif [[ ${option} == "WEBAUTHN_ONLY_TRUSTED_VENDORS" ]]; then if ! grep -q ${option} mailcow.conf; then + echo "Adding new option \"${option}\" to mailcow.conf" echo "# WebAuthn device manufacturer verification" >> mailcow.conf echo '# After setting WEBAUTHN_ONLY_TRUSTED_VENDORS=y only devices from trusted manufacturers are allowed' >> mailcow.conf echo '# root certificates can be placed for validation under mailcow-dockerized/data/web/inc/lib/WebAuthn/rootCertificates' >> mailcow.conf echo 'WEBAUTHN_ONLY_TRUSTED_VENDORS=n' >> mailcow.conf fi -elif [[ ${option} == "WATCHDOG_VERBOSE" ]]; then + elif [[ ${option} == "SPAMHAUS_DQS_KEY" ]]; then + if ! grep -q ${option} mailcow.conf; then + echo "Adding new option \"${option}\" to mailcow.conf" + echo "# Spamhaus Data Query Service Key" >> mailcow.conf + echo '# Optional: Leave empty for none' >> mailcow.conf + echo '# Enter your key here if you are using a blocked ASN (OVH, AWS, Cloudflare e.g) for the unregistered Spamhaus Blocklist.' >> mailcow.conf + echo '# If empty, it will completely disable Spamhaus blocklists if it detects that you are running on a server using a blocked AS.' >> mailcow.conf + echo '# Otherwise it will work as usual.' >> mailcow.conf + echo 'SPAMHAUS_DQS_KEY=' >> mailcow.conf + fi + elif [[ ${option} == "WATCHDOG_VERBOSE" ]]; then if ! grep -q ${option} mailcow.conf; then + echo "Adding new option \"${option}\" to mailcow.conf" echo '# Enable watchdog verbose logging' >> mailcow.conf echo 'WATCHDOG_VERBOSE=n' >> mailcow.conf - fi + fi elif ! grep -q ${option} mailcow.conf; then echo "Adding new option \"${option}\" to mailcow.conf" echo "${option}=n" >> mailcow.conf