Merge 97b3207392 into 2a72c800f6

tools/email_virus_notify.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+#
+# This script will notify users that email was dropped by clamsmtpd.
+#
+# Original inspiration from this script: https://h4des.org/blog/index.php?/archives/308-clamsmtp-informing-recipients-abount-email-virus-infection.html
+
+source /etc/mailinabox.conf # load global vars
+# For all variables passed when running this script please see "man clamsmtpd.conf"
+
+#pull list of all emails served by this mailserver
+dest_email=$(/usr/bin/sqlite3 /home/user-data/mail/users.sqlite "select distinct source from aliases union all select distinct email from users;")
+
+# check every single recipient
+for i in $RECIPIENTS; do
+
+# check every single email/alias
+for j in $dest_email; do
+
+#check if email address contains hosted domain name
+# $i contains email address
+# $j contains hosted email
+if [[ "$i" == "$j" ]]
+then
+{
+echo "Subject: Email Virus Scan Notification"
+echo ""
+echo "Hello $i,"
+echo ""
+echo "This is the email system of $PRIMARY_HOSTNAME."
+echo ""
+echo "The email from $SENDER to you was infected with a virus ($VIRUS)."
+echo "The email was blocked and this notification was sent instead."
+echo ""
+echo "If you encounter further problems please contact your System Administrator."
+echo ""
+echo "Regards,"
+echo "The email server at $PRIMARY_HOSTNAME"
+#sending email to recipient that is hosted on this system
+} | sendmail -f "postmaster@$PRIMARY_HOSTNAME" "$i"
+#continue with next recipient
+
+fi
+
+done
+
+done