mirror of
https://github.com/docker-mailserver/docker-mailserver.git
synced 2024-01-19 02:48:50 +00:00
232 lines
9.6 KiB
Bash
232 lines
9.6 KiB
Bash
#!/bin/bash
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die () {
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echo >&2 "$@"
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exit 1
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}
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if [ -f /tmp/postfix/accounts.cf ]; then
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echo "Regenerating postfix 'vmailbox' and 'virtual' for given users"
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echo "# WARNING: this file is auto-generated. Modify accounts.cf in postfix directory on host" > /etc/postfix/vmailbox
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# Checking that /tmp/postfix/accounts.cf ends with a newline
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sed -i -e '$a\' /tmp/postfix/accounts.cf
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# Creating users
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while IFS=$'|' read login pass
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do
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# Setting variables for better readability
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user=$(echo ${login} | cut -d @ -f1)
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domain=$(echo ${login} | cut -d @ -f2)
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# Let's go!
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echo "user '${user}' for domain '${domain}' with password '********'"
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echo "${login} ${domain}/${user}/" >> /etc/postfix/vmailbox
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/usr/sbin/userdb ${login} set uid=5000 gid=5000 home=/var/mail/${domain}/${user} mail=/var/mail/${domain}/${user}
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echo "${pass}" | userdbpw -md5 | userdb ${login} set systempw
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echo "${pass}" | saslpasswd2 -p -c -u ${domain} ${login}
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mkdir -p /var/mail/${domain}
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if [ ! -d "/var/mail/${domain}/${user}" ]; then
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maildirmake "/var/mail/${domain}/${user}"
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maildirmake "/var/mail/${domain}/${user}/.Sent"
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maildirmake "/var/mail/${domain}/${user}/.Trash"
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maildirmake "/var/mail/${domain}/${user}/.Drafts"
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echo -e "INBOX\nINBOX.Sent\nINBOX.Trash\nInbox.Drafts" >> "/var/mail/${domain}/${user}/courierimapsubscribed"
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touch "/var/mail/${domain}/${user}/.Sent/maildirfolder"
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fi
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echo ${domain} >> /tmp/vhost.tmp
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done < /tmp/postfix/accounts.cf
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makeuserdb
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else
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echo "==> Warning: '/tmp/postfix/accounts.cf' is not provided. No mail account created."
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fi
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if [ -f /tmp/postfix/virtual ]; then
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# Copying virtual file
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cp /tmp/postfix/virtual /etc/postfix/virtual
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while IFS=$' ' read from to
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do
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# Setting variables for better readability
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domain=$(echo ${from} | cut -d @ -f2)
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echo ${domain} >> /tmp/vhost.tmp
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done < /tmp/postfix/virtual
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else
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echo "==> Warning: '/tmp/postfix/virtual' is not provided. No mail alias created."
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fi
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if [ -f /tmp/vhost.tmp ]; then
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cat /tmp/vhost.tmp | sort | uniq > /etc/postfix/vhost && rm /tmp/vhost.tmp
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fi
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echo "Postfix configurations"
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touch /etc/postfix/vmailbox && postmap /etc/postfix/vmailbox
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touch /etc/postfix/virtual && postmap /etc/postfix/virtual
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# DKIM
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grep -vE '^(\s*$|#)' /etc/postfix/vhost | while read domainname; do
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mkdir -p /etc/opendkim/keys/$domainname
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if [ ! -f "/etc/opendkim/keys/$domainname/mail.private" ]; then
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echo "Creating DKIM private key /etc/opendkim/keys/$domainname/mail.private"
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pushd /etc/opendkim/keys/$domainname
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opendkim-genkey --subdomains --domain=$domainname --selector=mail
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popd
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echo ""
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echo "DKIM PUBLIC KEY ################################################################"
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cat /etc/opendkim/keys/$domainname/mail.txt
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echo "################################################################################"
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fi
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# Write to KeyTable if necessary
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keytableentry="mail._domainkey.$domainname $domainname:mail:/etc/opendkim/keys/$domainname/mail.private"
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if [ ! -f "/etc/opendkim/KeyTable" ]; then
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echo "Creating DKIM KeyTable"
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echo "mail._domainkey.$domainname $domainname:mail:/etc/opendkim/keys/$domainname/mail.private" > /etc/opendkim/KeyTable
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else
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if ! grep -q "$keytableentry" "/etc/opendkim/KeyTable" ; then
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echo $keytableentry >> /etc/opendkim/KeyTable
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fi
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fi
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# Write to SigningTable if necessary
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signingtableentry="*@$domainname mail._domainkey.$domainname"
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if [ ! -f "/etc/opendkim/SigningTable" ]; then
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echo "Creating DKIM SigningTable"
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echo "*@$domainname mail._domainkey.$domainname" > /etc/opendkim/SigningTable
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else
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if ! grep -q "$signingtableentry" "/etc/opendkim/SigningTable" ; then
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echo $signingtableentry >> /etc/opendkim/SigningTable
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fi
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fi
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done
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echo "Changing permissions on /etc/opendkim"
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# chown entire directory
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chown -R opendkim:opendkim /etc/opendkim/
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# And make sure permissions are right
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chmod -R 0700 /etc/opendkim/keys/
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# DMARC
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# if ther is no AuthservID create it
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if [ `cat /etc/opendmarc.conf | grep -w AuthservID | wc -l` -eq 0 ]; then
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echo "AuthservID $(hostname)" >> /etc/opendmarc.conf
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fi
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if [ `cat /etc/opendmarc.conf | grep -w TrustedAuthservIDs | wc -l` -eq 0 ]; then
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echo "TrustedAuthservIDs $(hostname)" >> /etc/opendmarc.conf
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fi
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if [ ! -f "/etc/opendmarc/ignore.hosts" ]; then
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mkdir -p /etc/opendmarc/
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echo "localhost" >> /etc/opendmarc/ignore.hosts
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fi
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# SSL Configuration
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case $DMS_SSL in
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"letsencrypt" )
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# letsencrypt folders and files mounted in /etc/letsencrypt
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# Postfix configuration
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sed -i -r 's/smtpd_tls_cert_file=\/etc\/ssl\/certs\/ssl-cert-snakeoil.pem/smtpd_tls_cert_file=\/etc\/letsencrypt\/live\/'$(hostname)'\/fullchain.pem/g' /etc/postfix/main.cf
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sed -i -r 's/smtpd_tls_key_file=\/etc\/ssl\/private\/ssl-cert-snakeoil.key/smtpd_tls_key_file=\/etc\/letsencrypt\/live\/'$(hostname)'\/privkey.pem/g' /etc/postfix/main.cf
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# Courier configuration
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cat "/etc/letsencrypt/live/$(hostname)/cert.pem" "/etc/letsencrypt/live/$(hostname)/chain.pem" "/etc/letsencrypt/live/$(hostname)/privkey.pem" > "/etc/letsencrypt/live/$(hostname)/combined.pem"
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sed -i -r 's/TLS_CERTFILE=\/etc\/courier\/imapd.pem/TLS_CERTFILE=\/etc\/letsencrypt\/live\/'$(hostname)'\/combined.pem/g' /etc/courier/imapd-ssl
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# POP3 courier configuration
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sed -i -r 's/POP3_TLS_REQUIRED=0/POP3_TLS_REQUIRED=1/g' /etc/courier/pop3d-ssl
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sed -i -r 's/TLS_CERTFILE=\/etc\/courier\/pop3d.pem/TLS_CERTFILE=\/etc\/letsencrypt\/live\/'$(hostname)'\/combined.pem/g' /etc/courier/pop3d-ssl
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# needed to support gmail
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sed -i -r 's/TLS_TRUSTCERTS=\/etc\/ssl\/certs/TLS_TRUSTCERTS=\/etc\/letsencrypt\/live\/'$(hostname)'\/fullchain.pem/g' /etc/courier/pop3d-ssl
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echo "SSL configured with letsencrypt certificates"
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;;
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"self-signed" )
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# Adding self-signed SSL certificate if provided in 'postfix/ssl' folder
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if [ -e "/tmp/postfix/ssl/$(hostname)-cert.pem" ] \
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&& [ -e "/tmp/postfix/ssl/$(hostname)-key.pem" ] \
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&& [ -e "/tmp/postfix/ssl/$(hostname)-combined.pem" ] \
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&& [ -e "/tmp/postfix/ssl/demoCA/cacert.pem" ]; then
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echo "Adding $(hostname) SSL certificate"
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mkdir -p /etc/postfix/ssl
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cp "/tmp/postfix/ssl/$(hostname)-cert.pem" /etc/postfix/ssl
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cp "/tmp/postfix/ssl/$(hostname)-key.pem" /etc/postfix/ssl
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cp "/tmp/postfix/ssl/$(hostname)-combined.pem" /etc/postfix/ssl
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cp /tmp/postfix/ssl/demoCA/cacert.pem /etc/postfix/ssl
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# Postfix configuration
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sed -i -r 's/smtpd_tls_cert_file=\/etc\/ssl\/certs\/ssl-cert-snakeoil.pem/smtpd_tls_cert_file=\/etc\/postfix\/ssl\/'$(hostname)'-cert.pem/g' /etc/postfix/main.cf
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sed -i -r 's/smtpd_tls_key_file=\/etc\/ssl\/private\/ssl-cert-snakeoil.key/smtpd_tls_key_file=\/etc\/postfix\/ssl\/'$(hostname)'-key.pem/g' /etc/postfix/main.cf
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sed -i -r 's/#smtpd_tls_CAfile=/smtpd_tls_CAfile=\/etc\/postfix\/ssl\/cacert.pem/g' /etc/postfix/main.cf
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sed -i -r 's/#smtp_tls_CAfile=/smtp_tls_CAfile=\/etc\/postfix\/ssl\/cacert.pem/g' /etc/postfix/main.cf
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ln -s /etc/postfix/ssl/cacert.pem "/etc/ssl/certs/cacert-$(hostname).pem"
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# Courier configuration
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sed -i -r 's/TLS_CERTFILE=\/etc\/courier\/imapd.pem/TLS_CERTFILE=\/etc\/postfix\/ssl\/'$(hostname)'-combined.pem/g' /etc/courier/imapd-ssl
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# POP3 courier configuration
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sed -i -r 's/POP3_TLS_REQUIRED=0/POP3_TLS_REQUIRED=1/g' /etc/courier/pop3d-ssl
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sed -i -r 's/TLS_CERTFILE=\/etc\/courier\/pop3d.pem/TLS_CERTFILE=\/etc\/postfix\/ssl\/'$(hostname)'-combined.pem/g' /etc/courier/pop3d-ssl
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echo "SSL configured with self-signed/custom certificates"
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fi
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;;
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esac
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echo "Fixing permissions"
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chown -R 5000:5000 /var/mail
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mkdir -p /var/log/clamav && chown -R clamav:root /var/log/clamav
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chown postfix.sasl /etc/sasldb2
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echo "Creating /etc/mailname"
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echo $(hostname -d) > /etc/mailname
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echo "Configuring Spamassassin"
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SA_TAG=${SA_TAG:="2.0"} && sed -i -r 's/^\$sa_tag_level_deflt (.*);/\$sa_tag_level_deflt = '$SA_TAG';/g' /etc/amavis/conf.d/20-debian_defaults
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SA_TAG2=${SA_TAG2:="6.31"} && sed -i -r 's/^\$sa_tag2_level_deflt (.*);/\$sa_tag2_level_deflt = '$SA_TAG2';/g' /etc/amavis/conf.d/20-debian_defaults
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SA_KILL=${SA_KILL:="6.31"} && sed -i -r 's/^\$sa_kill_level_deflt (.*);/\$sa_kill_level_deflt = '$SA_KILL';/g' /etc/amavis/conf.d/20-debian_defaults
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cp /tmp/spamassassin/rules.cf /etc/spamassassin/
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echo "Configuring fail2ban"
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# enable filters
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perl -i -0pe 's/(\[postfix\]\n\n).*\n/\1enabled = true\n/' /etc/fail2ban/jail.conf
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perl -i -0pe 's/(\[couriersmtp\]\n\n).*\n/\1enabled = true\n/' /etc/fail2ban/jail.conf
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perl -i -0pe 's/(\[courierauth\]\n\n).*\n/\1enabled = true\n/' /etc/fail2ban/jail.conf
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perl -i -0pe 's/(\[sasl\]\n\n).*\n/\1enabled = true\n/' /etc/fail2ban/jail.conf
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# increase ban time and find time to 3h
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sed -i "/^bantime *=/c\bantime = 10800" /etc/fail2ban/jail.conf
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sed -i "/^findtime *=/c\findtime = 10800" /etc/fail2ban/jail.conf
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# avoid warning on startup
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echo "ignoreregex =" >> /etc/fail2ban/filter.d/postfix-sasl.conf
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echo "Starting daemons"
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cron
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/etc/init.d/rsyslog start
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/etc/init.d/saslauthd start
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/etc/init.d/courier-authdaemon start
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/etc/init.d/courier-imap start
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/etc/init.d/courier-imap-ssl start
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if [ "$ENABLE_POP3" = 1 ]; then
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echo "Starting POP3 services"
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/etc/init.d/courier-pop start
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/etc/init.d/courier-pop-ssl start
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fi
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/etc/init.d/spamassassin start
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/etc/init.d/clamav-daemon start
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/etc/init.d/amavis start
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/etc/init.d/opendkim start
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/etc/init.d/opendmarc start
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/etc/init.d/postfix start
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/etc/init.d/fail2ban start
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echo "Listing SASL users"
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sasldblistusers2
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echo "Starting..."
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tail -f /var/log/mail.log
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