Add function for reject pattern

filipnet · Sep 24, 2021 · f680f75 · f680f75
1 parent 44675ab
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diff --git a/README.md b/README.md
@@ -1,5 +1,20 @@
 # postfix-bounce-report
-The script generates an HTML report based on DDNS blacklist rejected messages. Another script continuously writes "recipient addresses" into a list. If an incoming message is rejected and is present in the list of "recipients", the subject of email is changing.
+The script generates an HTML report based on rejected messages. Another script continuously writes "recipient addresses" into a list. If an incoming message is rejected and is present in the list of "recipients", the subject of email is changing.
+
+<!-- TOC -->
+
+- [postfix-bounce-report](#postfix-bounce-report)
+    - [FEATURES](#features)
+    - [HOW TO INSTALL](#how-to-install)
+        - [PREREQUISITES PERL INTERPRETER](#prerequisites-perl-interpreter)
+        - [CLONE REPOSITORY](#clone-repository)
+    - [HOW TO USE](#how-to-use)
+        - [CONFIGURATION](#configuration)
+        - [CREATE SCHEDULED TASKS](#create-scheduled-tasks)
+    - [ADDITIONAL INFORMATION](#additional-information)
+    - [LICENSE](#license)
+
+<!-- /TOC -->
 
 ## FEATURES
 - build_submission_recipients.sh	: Analyzes the postfix maillog for outgoing e-mails and continuously creates a list of recipients

diff --git a/config.xml.sample b/config.xml.sample
@@ -1,10 +1,10 @@
 <?xml version="1.0"?>
 <config>
-    	<maillog>/var/log/maillog</maillog>
+    <maillog>/var/log/maillog</maillog>
 	<maillog_period>24</maillog_period>
-	<maillog_pattern>blocked using</maillog_pattern>
-        <logmail_from>do-not-reply@example.de</logmail_from>
-        <logmail_to>administrator@example.de</logmail_to>
+	<maillog_pattern>blocked\|reject</maillog_pattern>
+    <logmail_from>do-not-reply@example.de</logmail_from>
+    <logmail_to>administrator@example.de</logmail_to>
 	<logmail_subject>Postfix Bounce Report</logmail_subject>
 	<recipients_check>true</recipients_check>
 	<recipients_list>/etc/postfix/submission_recipient</recipients_list>

diff --git a/postfix-bounce-report.sh b/postfix-bounce-report.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 #
 # Script Name   : postfix-bounce-report.sh
-# Description   : Analyzes the postfix logfile for bounced emails by DDNS blacklist,
+# Description   : Analyzes the postfix logfile for bounced and rejected emails,
 #                 optionaly validate/cross check FROM-value against submission list.
 #                 Script also generates HTML report and send via sendmail.
 # Author        : https://github.com/filipnet/postfix-bounce-report
@@ -29,13 +29,13 @@ COUNTBOUNCES=$( [ -n "$ALLBOUNCES" ] && echo "$ALLBOUNCES" | wc -l || echo 0 )
 if [ ${COUNTBOUNCES} -gt 0 ]; then
         MAILINFO='<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><title></title>'
         MAILINFO+='<style>'
-	MAILINFO+='table.blueTable { border: 1px solid #1C6EA4; background-color: #EEEEEE; width: 100%; text-align: left; border-collapse: collapse; }
+        MAILINFO+='table.blueTable { border: 1px solid #1C6EA4; background-color: #EEEEEE; width: 100%; text-align: left; border-collapse: collapse; }
 table.blueTable td, table.blueTable th { border: 1px solid #AAAAAA; padding: 3px 2px; }'
-	MAILINFO+='table.blueTable tbody td { font-size: 10px; }'
-	MAILINFO+='table.blueTable tr:nth-child(even) { background: #D0E4F5; }'
-	MAILINFO+='table.blueTable thead { font-size: 10px; background: #1C6EA4; background: -moz-linear-gradient(top, #5592bb 0%, #327cad 66%, #1C6EA4 100%); background: -webkit-linear-gradient(top, #5592bb 0%, #327cad 66%, #1C6EA4 100%); background: linear-gradient(to bottom, #5592bb 0%, #327cad 66%, #1C6EA4 100%); border-bottom: 2px solid #444444; }'
-	MAILINFO+='table.blueTable thead th { font-size: 10px; font-weight: bold; color: #FFFFFF; border-left: 2px solid #D0E4F5; }'
-	MAILINFO+='table.blueTable thead th:first-child { border-left: none; }'
+        MAILINFO+='table.blueTable tbody td { font-size: 10px; }'
+        MAILINFO+='table.blueTable tr:nth-child(even) { background: #D0E4F5; }'
+        MAILINFO+='table.blueTable thead { font-size: 10px; background: #1C6EA4; background: -moz-linear-gradient(top, #5592bb 0%, #327cad 66%, #1C6EA4 100%); background: -webkit-linear-gradient(top, #5592bb 0%, #327cad 66%, #1C6EA4 100%); background: linear-gradient(to bottom, #5592bb 0%, #327cad 66%, #1C6EA4 100%); border-bottom: 2px solid #444444; }'
+        MAILINFO+='table.blueTable thead th { font-size: 10px; font-weight: bold; color: #FFFFFF; border-left: 2px solid #D0E4F5; }'
+        MAILINFO+='table.blueTable thead th:first-child { border-left: none; }'
 
 
         MAILINFO+='</style>'
@@ -46,50 +46,62 @@ table.blueTable td, table.blueTable th { border: 1px solid #AAAAAA; padding: 3px
                 do
                 BOUNCE="${BOUNCE//$'\n'/ }"
 
-		DATETIME=$(perl -pe "s/^(\w+\s+\w+\s+\w+:\w+:\w+)\s.*/\1/g" <<< ${BOUNCE})
-
-		if [[ "$RECIPIENTS_CHECK" = true ]]; then
-			MAILFROM=$(perl -pe "s/.*?from=<(.*?)>.*/\1/gm" <<< ${BOUNCE})
-			if [[ "$MAILFROM" =~ $(echo ^\($(paste -sd'|' ${RECIPIENTS_LIST})\)$) ]]; then
-    				#echo "$MAILFROM is in the list"
-				MAILFROM=$(perl -pe "s/.*?from=<(.*?)>.*/\1/gm" <<< ${BOUNCE})
-				MAILFROM="<span style='color:#FFFFFF; background-color:#FF0000'><b> ${MAILFROM} </b></span>"
-				BOUNCESEVERETY="[CRITICAL] "
-			else
-				#echo "$MAILFROM is not in the list"
-				MAILFROM=$(perl -pe "s/.*?from=<(.*?)>.*/\1/gm" <<< ${BOUNCE})
-			fi	
-		else
-			MAILFROM=$(perl -pe "s/.*?from=<(.*?)>.*/\1/gm" <<< ${BOUNCE})
-		fi
-
-		MAILTO=$(perl -pe "s/.*to=<(.*?)>.*/\1/g" <<< ${BOUNCE})
-		HELO=$(perl -pe "s/.*helo=<(.*?)>.*/\1/g" <<< ${BOUNCE})
-		HOSTIP=$(awk 'match($0, /[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+/) {i[substr($0,RSTART,RLENGTH)]=1}END{for(ip in i){printf("%s\n", ip)}}' <<< ${BOUNCE})
-		REASON=$(perl -pe "s/.*blocked using (.*?);.*/\1/g" <<< ${BOUNCE})
-
+                DATETIME=$(perl -pe "s/^(\w+\s+\w+\s+\w+:\w+:\w+)\s.*/\1/g" <<< ${BOUNCE})
+
+                if [[ "$RECIPIENTS_CHECK" = true ]]; then
+                        MAILFROM=$(perl -pe "s/.*?from=<(.*?)>.*/\1/gm" <<< ${BOUNCE})
+                        if [[ "$MAILFROM" =~ $(echo ^\($(paste -sd'|' ${RECIPIENTS_LIST})\)$) ]]; then
+                                #echo "$MAILFROM is in the list"
+                                MAILFROM=$(perl -pe "s/.*?from=<(.*?)>.*/\1/gm" <<< ${BOUNCE})
+                                MAILFROM="<span style='color:#FFFFFF; background-color:#FF0000'><b> ${MAILFROM} </b></span>"
+                                BOUNCESEVERETY="[CRITICAL] "
+                        else
+                                #echo "$MAILFROM is not in the list"
+                                MAILFROM=$(perl -pe "s/.*?from=<(.*?)>.*/\1/gm" <<< ${BOUNCE})
+                        fi
+                else
+                        MAILFROM=$(perl -pe "s/.*?from=<(.*?)>.*/\1/gm" <<< ${BOUNCE})
+                fi
+
+                MAILTO=$(perl -pe "s/.*to=<(.*?)>.*/\1/g" <<< ${BOUNCE})
+                HELO=$(perl -pe "s/.*helo=<(.*?)>.*/\1/g" <<< ${BOUNCE})
+                HOSTIP=$(awk 'match($0, /[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+/) {i[substr($0,RSTART,RLENGTH)]=1}END{for(ip in i){printf("%s\n", ip)}}' <<< ${BOUNCE})
+                if [[ $BOUNCE == *"blocked using"* ]]; then
+                        REASON=$(perl -pe "s/.*blocked using (.*?);.*/\1/g" <<< ${BOUNCE})
+                elif [[ $BOUNCE == *"rejected"* ]]; then
+                        REASON=$(perl -pe "s/.*rejected: */\1/g" <<< ${BOUNCE})
+                        REASON=$(echo $REASON |sed -r 's/[<>]+//g')
+                elif [[ $BOUNCE == *"milter-reject"* ]]; then
+                        REASON=$(perl -pe "s/.*milter-reject: */\1/g" <<< ${BOUNCE})
+                        REASON=$(echo $REASON |sed -r 's/[<>!]+//g')
+                elif [[ $BOUNCE == *"reject"* ]]; then
+                        REASON=$(perl -pe "s/.*reject: */\1/g" <<< ${BOUNCE})
+                        REASON=$(echo $REASON |sed -r 's/[<>]+//g')
+                else
+                        REASON="undefinied: $BOUNCE"
+                fi
                 MAILINFO+="<tr><td>${DATETIME}</td><td>${MAILFROM}</td><td>${MAILTO}</td><td>${HELO}</td><td>${HOSTIP}</td><td>${REASON}</td></tr>"
 
         done <<< "$ALLBOUNCES"
 
         MAILINFO+="</table>"
         MAILINFO+="<br/>"
-	MAILINFO+="<table>"
+        MAILINFO+="<table>"
         TIME_DIFF=$(($(date +"%s")-${TIME_START}))
         MAILINFO+="<tr><td><strong>Script runtime:</strong></td><td>$((${TIME_DIFF} / 60)) Minutes</td><td>$((${TIME_DIFF} % 60)) Seconds</td><td></td></tr>"
         MAILINFO+="</table></body></html>"
 
         if [ ! $BOUNCESEVERETY ]; then
-		if [ ${COUNTBOUNCES} -gt "${BOUNCESEVERETY_THRESHOLD}" ]; then BOUNCESEVERETY="[WARNING] "; else BOUNCESEVERETY="[INFO] "; fi
-	fi
-
-	(
-	echo "From: ${LOGMAILFROM}"
-	echo "To: ${LOGMAILTO}"
-	echo "Subject: ${BOUNCESEVERETY}${LOGMAILSUBJECT}"
-	echo "Mime-Version: 1.0"
-	echo "Content-Type: text/html"
-	echo ${MAILINFO}
-	) | sendmail -t
-
-fi
+                if [ ${COUNTBOUNCES} -gt "${BOUNCESEVERETY_THRESHOLD}" ]; then BOUNCESEVERETY="[WARNING] "; else BOUNCESEVERETY="[INFO] "; fi
+        fi
+
+        (
+        echo "From: ${LOGMAILFROM}"
+        echo "To: ${LOGMAILTO}"
+        echo "Subject: ${BOUNCESEVERETY}${LOGMAILSUBJECT}"
+        echo "Mime-Version: 1.0"
+        echo "Content-Type: text/html"
+        echo ${MAILINFO}
+        ) | sendmail -t
+
+fi