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install_postfix_advanced.sh: add support for PCRE header/mime-header/body-checks - you have uncomment the directicesgit add .

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Christoph
2021-06-14 10:46:10 +02:00
parent 88268f1130
commit 4e17844d9c
1 changed files with 77 additions and 7 deletions
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84
install_postfix_advanced.sh
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@@ -1244,7 +1244,13 @@ bounce_queue_lifetime = \$maximal_queue_lifetime
## - The default time unit is h (hours). ## - The default time unit is h (hours).
delay_warning_time = 1d delay_warning_time = 1d
#header_checks = pcre:/etc/postfix/header_checks_pcre
# ============ header/mime-header/body checks ============
#header_checks = pcre:/etc/postfix/header_checks.pcre
#mime_header_checks = pcre:/etc/postfix/mime_header_check.pcre
#body_checks = pcre:/etc/postfix/body_check.pcre
prepend_delivered_header = prepend_delivered_header =
forward forward
file file
@@ -2187,7 +2193,7 @@ else
echo_skipped echo_skipped
fi fi
_file="/etc/postfix/header_checks_pcre" _file="/etc/postfix/header_checks.pcre"
echononl " Create file '$_file' used for header replacing" echononl " Create file '$_file' used for header replacing"
if [[ ! -f "$_file" ]]; then if [[ ! -f "$_file" ]]; then
cat << EOF > "$_file" cat << EOF > "$_file"
@@ -2196,16 +2202,35 @@ if [[ ! -f "$_file" ]]; then
# --- # ---
# - Replace recieved from # - Replace recieved from
/^Received: from (.* \\([-._[:alnum:]]+ \\[[.[:digit:]]{7,15}\\]\\)).*?([[:space:]]+).*\\(Authenticated sender: ([^)]+)\\)(.*)/ REPLACE Received: from [127.0.0.1] (localhost [127.0.0.1])\$2(Authenticated sender: \$3)\$4 #/^Received: from (.* \\([-._[:alnum:]]+ \\[[.[:digit:]]{7,15}\\]\\)).*?([[:space:]]+).*\\(Authenticated sender: ([^)]+)\\)(.*)/ REPLACE Received: from [127.0.0.1] (localhost [127.0.0.1])\$2(Authenticated sender: \$3)\$4
# --- # ---
# - Ignore Headers # - Ignore Headers
# --- # ---
/^\s*User-Agent/ IGNORE #/^\s*User-Agent/ IGNORE
/^\s*X-Enigmail/ IGNORE #/^\s*X-Enigmail/ IGNORE
/^\s*X-Mailer/ IGNORE #/^\s*X-Mailer/ IGNORE
/^\s*X-Originating-IP/ IGNORE #/^\s*X-Originating-IP/ IGNORE
/^To:.*<>/ DISCARD Possible SPAM Blank email address To: header - Header-Spamschutzregel T0-1001
/^From:.*<>/ DISCARD Possible SPAM Blank email address To: header - Header-Spamschutzregel FROM-1002
/\(envelope-from <>\)/ REJECT Possible SPAM - Header-Spamschutzregel RECIEV-1003
/^Reply-To: .+\@inx1and1\..+/ REJECT Possible SPAM - Header-Spamschutzregel REPLY-1004
/^Reply-To: .+\@ppe-healthcare-europe\..+/ REJECT Possible SPAM - Header-Spamschutzregel REPLY-1005
/^Reply-To: .+\@testbedarf.shop/ REJECT Possible SPAM - Header-Spamschutzregel REPLY-1006
/^Reply-To: .+\@acieu\..+/ REJECT Possible SPAM - Header-Spamschutzregel REPLY-1007
/^Reply-To: .+\@acievents\..+/ REJECT Possible SPAM - Header-Spamschutzregel REPLY-1008
/^Reply-To: .+\@dokpotenz\..+/ REJECT Possible SPAM - Header-Spamschutzregel REPLY-1009
/^Reply-To: .+\@sendelope.eu/ REJECT Possible SPAM - Header-Spamschutzregel REPLY-1010
/^Reply-To: .+\@team-de-luxe\..+/ REJECT Possible SPAM - Header-Spamschutzregel REPLY-1011
/^Reply-To: .+\@doktorapo\..+/ REJECT Possible SPAM - Header-Spamschutzregel REPLY-1012
/^Date: .* 19[0-9][0-9]/ REJECT Date from the past. Fix your system clock. - Header-Spamschutzregel DATE-1005
/^Date: .* 200[0-9]/ REJECT Date from the past. Fix your system clock. - Header-Spamschutzregel DATE-1006
/^Date: .* 201[0-9]/ REJECT Date from the past. Fix your system clock. - Header-Spamschutzregel DATE-1007
/^Date: .* 2020/ REJECT Date from the past. Fix your system clock. - Header-Spamschutzregel DATE-1008
EOF EOF
if [[ $? -eq 0 ]] ; then if [[ $? -eq 0 ]] ; then
echo_ok echo_ok
@@ -2217,6 +2242,51 @@ else
fi fi
_file="/etc/postfix/mime_header_check.pcre"
echononl " Create file '$_file' used for header replacing"
if [[ ! -f "$_file" ]]; then
cat << EOF > "$_file"
# ---
# - MIME-Header Checks
# ---
/name=[^>]*\.exe/ REJECT No .exe files allowed - Mime--Spamschutzregel EXE-1001
/name=[^>]*\.bat/ REJECT No .bat files allowed - Mime--Spamschutzregel BAT-1002
/name=[^>](screensaver|movie)\.zip/ REJECT Sobig Virus found - Mime-Spamschutzregel VIR-1003
EOF
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
fi
else
echo_skipped
fi
_file="/etc/postfix/body_check.pcre"
echononl " Create file '$_file' used for header replacing"
if [[ ! -f "$_file" ]]; then
cat << EOF > "$_file"
# ---
# - Body Checks
# ---
/See the attached file for details/ REJECT Sobig Virus found. - Body-Spamschutzregel TEXT-1001
/.*https?:\/\/click2eat.shop\/Installer\/updatedwebmails/ REJECT Maype fishing E-Mail credentials - Body-Spamschutzregel TEXT-1002
EOF
if [[ $? -eq 0 ]] ; then
echo_ok
else
echo_failed
fi
else
echo_skipped
fi
if ! $IS_RELAY_HOST ; then if ! $IS_RELAY_HOST ; then
## - Create Directory '/var/vmail' for virtual mailboxes ## - Create Directory '/var/vmail' for virtual mailboxes
## - ## -