bash script to check the server postfix mail queue and when there are too many emails in the queue, it will send a telegram bot message the registered users: #!/bin/bash cd "$(dirname "$0")" string=$( /usr/bin/mailq) echo $string string2=$(echo $string | grep -Po '.[0-9] Requests.$') echo $string2 number=$(echo $string2 | tr -dc '0-9') echo $number if [ $number -gt 1 ] then msg="Spam Alert!! ${number}x mails in /usr/bin/mailq " echo Hey that\'s a large number - Send Bot messages to the admin. curl "https://api.telegram.org/botfooo/sendMessage?chat_id=822969321,&text=${msg}" curl "https://api.telegram.org/botfooo/sendMessage?chat_id=872129867,&text=${msg}" fi

http://www.postfix.org/

#!/bin/bash cd "$(dirname "$0")" string=$( /usr/bin/mailq) echo $string emails=$(echo $string | grep -Po '\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+') emails=${emails//[$'\t\r\n']} && emails=${emails%%*( )} echo "${emails}" string2=$(echo $string | grep -Po '.[0-9] Requests.$') echo $string2 number=$(echo $string2 | tr -dc '0-9') echo $number if [ $number -gt 10 ] then msg="Spam Alert!! ${number}x mails - ${emails:0:1000}" echo Hey that\'s a large number - Send Telegram Bot. curl "https://api.telegram.org/x:AAGXI3Io9feTC7oPb1z1qapn_dUfsreNTcg/sendMessage?chat_id=822969321,&text=${msg}" curl "https://api.telegram.org/x:AAGXI3Io9feTC7oPb1z1qapn_dUfsreNTcg/sendMessage?chat_id=872129867,&text=${msg}" fi 06.10.21 to send test mails #!/bin/bash cd "$(dirname "$0")" for (( i = 1 ; i <= 21; i++ )); do mail -s"testmail-${i}" Junk@foo.com < /dev/null ; done 06.10.21

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