Martin Winkler
8e63bbe7df
Sequences with exit in step_config, changed to return to support opening config file on first run
455 lines
16 KiB
Bash
Executable File
455 lines
16 KiB
Bash
Executable File
#!/bin/bash
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# Installing a mailserver including postfix postfixadmin and dovecot
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#
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# MTA = Mail Transport Agent (postfix)
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# MDA = Mail Delivery Agent (dovecot)
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# MUA = Mail User Agent (Mail program used by the user)
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toolName=mailserver
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mtaName=postfix
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mtaUser=postfix
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mtaDeps="$mtaName $mtaName-mysql"
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mtaConfLoc="/etc/$mtaName"
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mtaMysqlConfLoc="$mtaConfLoc/sql"
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mdaName=dovecot
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mdaConfLoc="/etc/$mdaName"
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mdaConfDir="$mdaConfLoc/conf.d"
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mdaDeps="dovecot-imapd dovecot-lmtpd dovecot-mysql dovecot-managesieved dovecot-sieve"
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# Get script working directory
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# (when called from a different directory)
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WDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >>/dev/null 2>&1 && pwd )"
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CONFIG=0
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CONFIG_FILE_NAME="${toolName}.cfg"
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CONFIG_FILE_TEMPLATE="$WDIR/${CONFIG_FILE_NAME}.example"
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step_config() {
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if [ $(id -u) -ne 0 ] ; then
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endReturn -o 1 "No root"
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fi
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initSeqConfig "$CONFIG_FILE_NAME" "$CONFIG_FILE_TEMPLATE"
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if [ $? -eq 0 ] ; then
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CONFIG=1
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echo " Domain: $MAS_DOMAIN"
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elif [ $? -eq 1 ] ; then
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# Config $CONFIG_FILE_NAME created. Needs modification first
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[ $DRY -eq 0 ] && return 1
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fi
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}
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step_1_info() { echo "Update apt repositories"; }
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step_1_alias() { ALIAS="install"; }
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step_1() {
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exe apt update
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}
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step_2_info() { echo "Install $mtaName"; }
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step_2() {
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local aptOpt=
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if [ $QUIET -ne 0 ];then
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aptOpt="-y"
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else
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read -p "In the following dialog chose \"Internet site\" and enter $MAS_DOMAIN as your domain. Enter to continue..."
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fi
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exe apt install $mtaDeps $aptOpt
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}
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step_3_info() { echo "Enable $mtaName"; }
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step_3() {
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exe systemctl enable $mtaName
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echo -e " [I] Printing $mtaName status\n"
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exe service $mtaName status
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echo -e "\n [I] Installed postfix version: $(postconf mail_version)"
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}
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step_4_info() { echo "$mtaName basic domain configuration"; }
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step_4() {
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exe postconf -e "myhostname = mail.$MAS_DOMAIN"
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exe postconf -e "mydomain = $MAS_DOMAIN"
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exe postconf -e "myorigin = $MAS_DOMAIN"
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exe postconf -e "mydestination = $MAS_DOMAIN, \$myhostname, mail.\$mydomain, localhost.\$mydomain, localhost"
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}
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step_5_info() { echo "$mtaName enable submission service"; }
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step_5() {
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echo -e " [I] Copy following lines...\n"
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exe cat "$mtaConfSubmission"
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exe read -rep $'\nPress Enter to open the '$mtaConfLoc'/master.cf'
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exe vi $mtaConfLoc/master.cf
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exe echo
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exe cat "$mtaConfSmtps"
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exe read -rep $'\nPress Enter to open the '$mtaConfLoc'/master.cf'
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exe vi $mtaConfLoc/master.cf
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}
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mtaConfSubmission="$WDIR/$toolName/submissionService"
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mtaConfSmtps="$WDIR/$toolName/smtpsService"
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step_6_info() { echo "Configure TLS"; }
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step_6() {
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exe postconf "smtpd_tls_cert_file = /etc/letsencrypt/live/$MAS_DOMAIN/fullchain.pem"
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exe postconf "smtpd_tls_key_file = /etc/letsencrypt/live/$MAS_DOMAIN/privkey.pem"
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#Force TLSv1.3 or TLSv1.2
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exe postconf "smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1"
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exe postconf "smtpd_tls_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1"
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exe postconf "smtp_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1"
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exe postconf "smtp_tls_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1"
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echo " [I] Restarting $mtaName"
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exe service $mtaName restart
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}
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step_7_info() { echo "Install $mdaName"; }
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step_7() {
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exe apt install $mdaDeps
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echo -e "\n [I] Installed version: $(dovecot --version)"
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}
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step_8_info() {
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echo "Configure $mdaName"
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}
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step_8() {
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echo "# Configuring Mailbox Location"
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echo " [/etc/dovecot/conf.d/10-mail.conf]"
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echo " mail_location = maildir:~/Maildir"
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echo " mail_privileged_group = mail"
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echo
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echo " usermod -aG mail dovecot"
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echo
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echo "# Configuring Authentication Mechanism"
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echo " [/etc/dovecot/conf.d/10-auth.conf]"
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echo " disable_plaintext_auth = yes"
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echo " # Login with full mail address"
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echo " auth_username_format = %n"
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echo " # "login" to support older mail clients"
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echo " auth_mechanisms = plain login"
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echo
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echo "# Configure SSL/TLS Encryption"
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echo " [/etc/dovecot/conf.d/10-ssl.conf]"
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echo " ssl = required"
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echo " ssl_cert = </etc/letsencrypt/live/$MAS_DOMAIN/fullchain.pem"
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echo " ssl_key = </etc/letsencrypt/live/$MAS_DOMAIN/privkey.pem"
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echo " ssl_min_protocol = TLSv1.2"
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echo " ssl_prefer_server_ciphers = yes"
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echo " ssl_dh = </etc/dovecot/dh.pem"
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echo
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echo " openssl dhparam -out /etc/dovecot/dh.pem 4096"
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echo
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echo "# SASL Authentication Between Postfix and Dovecot"
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echo " [/etc/dovecot/conf.d/10-master.conf]"
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echo " # Add to service auth {"
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echo " service auth {"
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echo " unix_listener /var/spool/postfix/private/auth {"
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echo " mode = 0600"
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echo " user = postfix"
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echo " group = postfix"
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echo " }"
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echo " }"
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echo
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echo "# Auto-subscribe Drafts, Sent, Junk and Trash Folder"
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echo " and auto delete after 30 days"
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echo " [/etc/dovecot/conf.d/15-mailboxes.conf]"
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echo " # Add \"auto = create\" to folder e.g.:"
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echo " mailbox Trash {"
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echo " auto = subscribe"
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echo " autoexpunge = 30d"
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echo " special_use = \\Trash"
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echo " }"
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echo
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echo "# Using Dovecot to Deliver Email to Message Store"
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echo " Make sure lmtp protocol is installed with dovecot-lmtp"
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echo " [/etc/dovecot/conf.d/10-master.conf]"
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echo " # Change lmtp service definition to:"
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echo " service lmtp {"
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echo " unix_listener /var/spool/postfix/private/dovecot-lmtp {"
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echo " mode = 0600"
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echo " user = postfix"
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echo " group = postfix"
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echo " }"
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echo " }"
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echo
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echo " postconf -e \"mailbox_transport = lmtp:unix:private/dovecot-lmtp\""
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echo " postconf -e \"smtputf8_enable = no\""
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echo
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echo "# Clean outgoing mail header from sensitiv information"
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echo " [/etc/postfix/master.cf]"
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echo " smtps inet n - y - - smtpd"
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echo " [...]"
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echo " -o cleanup_service_name=headclean"
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echo " #add below \"cleanup\""
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echo " headclean unix n - - - 0 cleanup"
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echo " -o header_checks=regexp:/etc/postfix/sender_header_checks"
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echo
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echo " [/etc/postfix/sender_header_checks]"
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echo " /^Received:/ IGNORE"
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echo " /^X-PHP-Originating-Script:/ IGNORE"
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echo " /^X-Originating-IP:/ IGNORE"
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echo " /^X-Mailer:/ IGNORE"
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echo " /^User-Agent:/ IGNORE"
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}
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step_20_info() {
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echo "Install postfixadmin and create mysql database"
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echoinfo "Virtualize mailboxes, domains and aliases by using a mysql database"
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}
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step_20_alias() { ALIAS="virtual"; }
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step_20() {
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local qOpt=
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if [ $QUIET -ne 0 ] ; then
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qOpt="-q"
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fi
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exe $WDIR/postfixadmin.sh ${qOpt} install
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}
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step_21_info() { echo "Create $mtaName mysql query files"; }
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step_21() {
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# eval needed to expand sourced configuration variables
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local localMysqlUser=`eval "echo \"$MAS_VIRTUAL_USER_PART\""`
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exe mkdir -p "$mtaMysqlConfLoc"
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local mtaFile
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local mtaVar
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local mtaMysqlFiles=(\
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"mysql_virtual_domains_maps"\
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"mysql_virtual_mailbox_maps"\
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"mysql_virtual_alias_domain_mailbox_maps"\
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"mysql_virtual_alias_maps"\
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"mysql_virtual_alias_domain_maps"\
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"mysql_virtual_alias_domain_catchall_maps"\
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)
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for mtaFile in ${mtaMysqlFiles[@]}
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do
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eval 'mtaVar=$MAS_'${mtaFile}
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echo " [I] creating ${mtaFile}.cf"
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exe echo -e "$localMysqlUser\n$mtaVar" > "$mtaMysqlConfLoc/${mtaFile}.cf"
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done
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exe chown -R root:${mtaUser} "$mtaMysqlConfLoc"
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exe chmod 640 "${mtaMysqlConfLoc}"/*
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}
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step_22_info() { echo "Modify $mtaName configuration for virtual mailboxes"; }
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step_22() {
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exe postconf -e "virtual_mailbox_domains = proxy:mysql:/etc/postfix/sql/mysql_virtual_domains_maps.cf"
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exe postconf -e "virtual_mailbox_maps = proxy:mysql:/etc/postfix/sql/mysql_virtual_mailbox_maps.cf, proxy:mysql:/etc/postfix/sql/mysql_virtual_alias_domain_mailbox_maps.cf"
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exe postconf -e "virtual_alias_maps = proxy:mysql:/etc/postfix/sql/mysql_virtual_alias_maps.cf, proxy:mysql:/etc/postfix/sql/mysql_virtual_alias_domain_maps.cf, proxy:mysql:/etc/postfix/sql/mysql_virtual_alias_domain_catchall_maps.cf"
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exe postconf -e "virtual_transport = lmtp:unix:private/dovecot-lmtp"
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# Apex domain removed, it is handled as virtual domain now
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exe postconf -e "mydestination = \$myhostname, localhost.\$mydomain, localhost"
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# Base location for the virtual maildirs
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exe postconf -e "virtual_mailbox_base = $MAS_VIRTUAL_FOLDER_BASE"
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exe postconf -e "virtual_minimum_uid = $MAS_VIRTUAL_USER_ID"
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exe postconf -e "virtual_uid_maps = static:$MAS_VIRTUAL_USER_ID"
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exe postconf -e "virtual_gid_maps = static:$MAS_VIRTUAL_USER_ID"
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}
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step_23_info() { echo "Create virtual user $MAS_VIRTUAL_USER and folder $MAS_VIRTUAL_FOLDER_BASE"; }
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step_23() {
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exe mkdir -p "$MAS_VIRTUAL_FOLDER_BASE"
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exe groupadd --gid $MAS_VIRTUAL_USER_ID $MAS_VIRTUAL_USER
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exe adduser --disabled-login --disabled-password --home "$MAS_VIRTUAL_FOLDER_BASE" --uid $MAS_VIRTUAL_USER_ID --gid $MAS_VIRTUAL_USER_ID $MAS_VIRTUAL_USER
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exe chown -R ${MAS_VIRTUAL_USER}: "$MAS_VIRTUAL_FOLDER_BASE"
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exe chmod -R 770 "$MAS_VIRTUAL_FOLDER_BASE"
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echo " [I] Restarting $mtaName"
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exe service $mtaName restart
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}
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step_24_info() { echo "$mdaName virtualisation configuration instructions"; }
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step_24() {
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echo "# Configuring Mailbox Location"
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echo " [/etc/dovecot/conf.d/10-mail.conf]"
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echo " mail_location = maildir:~/Maildir"
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echo " mail_home = ${MAS_VIRTUAL_FOLDER_BASE}/%d/%n"
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echo
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echo "# Configure authentication"
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echo " [/etc/dovecot/conf.d/10-auth.conf]"
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echo " # Username with domain"
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echo " auth_username_format = %u"
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echo " # Find and uncomment following line"
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echo " !include auth-sql.conf.ext"
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echo " # Comment following line to prevent local users from sending mail"
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echo " # without having registered an email address"
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echo " #!include auth-system.conf.ext"
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echo " # Debug login issues in /var/log/maillog by adding:"
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echo " auth_debug = yes"
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echo " auth_debug_passwords = yes"
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echo
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echo "# Adding mysql login information"
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echo " [/etc/dovecot/dovecot-sql.conf.ext]"
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echo " driver = mysql"
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echo " connect = host=$MAS_DBHOST dbname=$MAS_DBNAME user=$MAS_DBUSER password='${MAS_DBPASS}'"
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echo " default_pass_scheme = MD5"
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echo " password_query = SELECT username AS user,password FROM mailbox WHERE username = '%u' AND active='1'"
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echo " user_query = SELECT maildir, $MAS_VIRTUAL_USER_ID AS uid, $MAS_VIRTUAL_USER_ID AS gid FROM mailbox WHERE username = '%u' AND active='1'"
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echo " iterate_query = SELECT username AS user FROM mailbox"
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}
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step_25_info() {
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echo "Configure sieve for virtual users"
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}
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step_25() {
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echo "# Sieve script configuration"
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echo " [$mdaConfDir/90-sieve.conf]"
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echo " sieve = file:/var/vmail/%d/%n/sieve;active=/var/vmail/%d/%n/.dovecot.sieve"
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echo " sieve_extensions = +notify +imapflags +vnd.dovecot.execute"
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echo " sieve_plugins = sieve_extprograms"
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echo " sieve_user_log = file:/var/vmail/%d/%n/sieve/sieve.log"
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echo
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echo "# Enable sieve for lmtp"
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echo " [$mdaConfDir/20-lmtp.conf]"
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echo " postmaster_address = postmaster@$MAS_DOMAIN"
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echo " mail_plugins = $mail_plugins sieve"
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echo
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echo "# Enable excution of external programs (e.g. to send xmpp messages on certain keywords)"
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echo " [$mdaConfDir/90-sieve-extprograms.conf]"
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echo " sieve_execute_bin_dir = /usr/lib/dovecot/sieve-execute"
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echo
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echo "# Notes on execution of scripts"
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echo " * Scripts are executed with the $MAS_VIRTUAL_USER user"
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echo " * Scripts must no be writeable by others"
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echo " (chown root:$MAS_VIRTUAL_USER script; chmod 750 script)"
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echo " * \$HOME is set to the virtual users home"
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echo " (e.g. /var/vmail/$MAS_DOMAIN/max)"
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echo
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echo "# Notes about sendxmpp"
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echo " * .sendxmpprc resides in every virtual users home"
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echo " and must be owned by $MAS_VIRTUAL_USER"
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echo " (chown $MAS_VIRTUAL_USER: .sendxmpprc; chmod 700 .sendxmpprc)"
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}
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step_50_info() { echo "Adding default relay host for sending mails"; }
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step_50_alias() { ALIAS="default_relay"; }
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step_50() {
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if [ ! -f "$saslPassFile" ] ; then
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exe postconf -e "relayhost = $MAS_RELAYHOST"
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exe postconf -e "smtp_sasl_auth_enable = yes"
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exe postconf -e "smtp_sasl_password_maps = hash:$saslPassFile"
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addConf -s "$MAS_RELAYHOST $MAS_RELAYUSER:$MAS_RELAYPASS" "$saslPassFile"
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fi
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echo " [I] Updating $saslPassFile"
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exe postmap "$saslPassFile"
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}
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saslPassFile="$mtaConfLoc/sasl_password"
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step_52_info() {
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echo "Grant access for specific (local) hostnames"
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echoinfo "Workaround when local clients connect to 25 with different ips (v6)"
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}
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step_52_alias() { ALIAS="client_access"; }
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step_52() {
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if [ ! -f "$mtaClientAccessLoc" ] ; then
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echo " [I] Generating $mtaClientAccessLoc"
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exep "echo \"# myhost.lan OK\" > \"$mtaClientAccessLoc\""
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echo " [I] Don't forget to add the following"
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echo " [$mtaConfLoc/main.cf]"
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echo " smtpd_relay_restrictions ="
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echo " check_client_access hash:$mtaClientAccessLoc"
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fi
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echo " [I] Updating $mtaClientAccessLoc"
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exe postmap "$mtaClientAccessLoc"
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}
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mtaClientAccessLoc="$mtaConfLoc/client_access"
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step_54_info() {
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echo "Deny recipient access for listed mail addresses"
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}
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step_54_alias() { ALIAS="recipient_access"; }
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step_54() {
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if [ ! -f "$mtaRecipientAccessLoc" ] ; then
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echo " [I] Generating $mtaRecipientAccessLoc"
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exep "echo \"# unwanted@${MAS_DOMAIN} 550 No mailbox. Nothing to see here.\" > \"$mtaRecipientAccessLoc\""
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echo " [I] Don't forget to add the following"
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echo " [$mtaConfLoc/main.cf]"
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echo " smtpd_recipient_restrictions ="
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echo " check_recipient_access hash:$mtaRecipientAccessLoc"
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fi
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echo " [I] Updating $mtaRecipientAccessLoc"
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exe postmap "$mtaRecipientAccessLoc"
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}
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mtaRecipientAccessLoc="$mtaConfLoc/recipient_access"
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step_56_info() { echo "Add sender dependant relay with authentication"; }
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step_56_alias() { ALIAS="sender_relay"; }
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step_56() {
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if [ ! -f "$mtaSenderRelayLoc" ] ; then
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echo " [I] Generating $mtaSenderRelayLoc"
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exep "echo \"# user@extern.com smtp:[mail.extern.com]:587\" > \"$mtaSenderRelayLoc\""
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exe postconf -e "smtp_sender_dependent_authentication = yes"
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exe postconf -e "sender_dependent_relayhost_maps = hash:$mtaSenderRelayLoc"
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exe postconf -e "smtp_sasl_security_options = noanonymous"
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exe postconf -e "smtp_sasl_mechanism_filter = plain"
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exe postconf -e "smtp_tls_security_level = encrypt"
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exe postconf -e "smtp_tls_mandatory_ciphers = high"
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echo " [I] Don't forget to add credentials for the new relay"
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echo " [$saslPassFile]"
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echo " user@extern.com username:passwort"
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echo " postmap $saslPassFile"
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fi
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echo " [I] Updating $mtaSenderRelayLoc"
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exe postmap "$mtaSenderRelayLoc"
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exe postmap "$saslPassFile"
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}
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mtaSenderRelayLoc="$mtaConfLoc/sender_relay"
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step_100_info() {
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echo "Send testmail [-u SYSTEMUSER | -f FROM] [TO]"
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echoinfo "Send as current user to postmaster@\$MAS_DOMAIN by default"
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}
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step_100_alias() { ALIAS="test"; }
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step_100() {
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shift
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local arg
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local fromAdr
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local toAdr="postmaster@$MAS_DOMAIN"
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local asUser=
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for arg in "$@" ; do
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case "$1" in
|
|
-f)
|
|
shift
|
|
fromAdr="-f $1 "
|
|
shift
|
|
;;
|
|
-u)
|
|
shift
|
|
asUser="sudo -u $1 "
|
|
shift
|
|
;;
|
|
*)
|
|
break
|
|
;;
|
|
esac
|
|
done
|
|
if [ ! -z $1 ] ; then
|
|
toAdr="$1"
|
|
fi
|
|
exe ${asUser}sh -c "echo \"Subject: Test from Postfix\nIt is \$(date)\n\nGreetings \$(whoami)\" | sendmail ${fromAdr}$toAdr"
|
|
}
|
|
|
|
step_102_info() { echo "Show mail queue"; }
|
|
step_102_alias() { ALIAS="showqueue"; }
|
|
step_102() {
|
|
exe sendmail -bp
|
|
}
|
|
|
|
step_104_info() {
|
|
echo "Delete mail queue [ID]"
|
|
echoinfo "Delete all queued mails if [ID] is empty"
|
|
}
|
|
step_104_alias() { ALIAS="delqueue"; }
|
|
step_104() {
|
|
shift
|
|
local msgId="ALL"
|
|
if [ ! -z $1 ] ; then
|
|
msgId="$1"
|
|
fi
|
|
exe postsuper -d "$msgId"
|
|
}
|
|
|
|
VERSION_SEQREV=11
|
|
. /usr/local/bin/sequencer.sh
|