I am using RHEL 6.4. I have a script which runs in bash. The script sends an email using the command:
mailx -a report.txt "Monthly Report" "[email protected]" < messageBody.html
where report.txt is a pipe separated text file. The size of this file is unknown; sometimes this file may contain just 10-15 records, on other days it may have millions of records.
Now my questions are:
To check maximum size on systems using postfix as their mail transport agent, we can use the postconf command.
postconf -d | grep message_size
It will show you the size in bytes. To change the value, Run
postconf -e 'message_size_limit = 20480000'
To make the changes effective, restart Postfix afterwards:
service postfix restart
(or equivalent on your system)
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