Difference between revisions of "CentOS 8.x postfix log email Subject in maillog"
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Revision as of 05:43, 20 March 2020
<yambe:breadcrumb self="log email Subject in maillog">CentOS 8.x postfix|postfix</yambe:breadcrumb>
CentOS 8.x postfix log email Subject in maillog
To log email subjects in maillog (Very useful during troubleshooting) use:
- Edit /etc/postfix/main.cf and uncomment below line:
- header_checks = regexp:/etc/postfix/header_checks
- Edit /etc/postfix/header_checks and append
- /^Subject:/ WARN
- Run postmap and restart postfix
- postmap /etc/postfix/header_checks
- systemctl restart postfix
- Look at /var/log/maillog for subject in the logs
Refer: