21 lines
719 B
Bash
21 lines
719 B
Bash
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#!/bin/bash
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#Adapt to your setup
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POSTFIX_DB="postfix_test"
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MYSQL_CREDENTIALS_FILE="postfixadmin.my.cnf"
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REPLY_ADDRESS=noreply@example.com
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# Change this list to change notification times and when ...
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for INTERVAL in 30 14 7
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do
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LOWER=$(( $INTERVAL - 1 ))
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QUERY="SELECT username,password_expiry FROM mailbox WHERE password_expiry > now() + interval $LOWER DAY AND password_expiry < NOW() + interval $INTERVAL DAY"
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mysql --defaults-extra-file="$MYSQL_CREDENTIALS_FILE" "$POSTFIX_DB" -B -e "$QUERY" | while read -a RESULT ; do
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echo -e "Dear User, \n Your password will expire on ${RESULT[1]}" | mail -s "Password 30 days before expiration notication" -r $REPLY_ADDRESS ${RESULT[0]}
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done
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done
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