Exim Custom Filter for Identifying Specific Words in Spam Emails

exim-filter-spam.sh

# Custom Filter for Identifying Specific Words in Emails
# This filter blocks emails containing certain spam-related keywords.

# Exim filter to match specific words in the email body text
# (?i) makes the match case insensitive
if $body_text matches "(?i)Viagra|pussy|sex|sexy|****|porno|girlfriend|keylogger|Cialis|hacked|garantie|sexual|Levtira|antiviruses|bored|sexo|pornografia|hackeado"
then
  # Block the email with a custom message
  fail text "Mensagem bloqueada devido à nossa política anti-spam."
  # Mark the message as processed and stop further filtering
  seen finish
endif

# Instructions for customization:
# - Add or remove words in the pattern to adjust the filter according to your needs.
# - Ensure the list of words is separated by the '|' character.
# - Use the (?i) at the beginning of the pattern to make the match case insensitive.
# - Customize the fail message to provide appropriate information to the sender.