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