Zimbra Enabling Subject Line In logs
Adding Subject Information on the log
If we want to see subject information in zimbra.logs then we can follow below steps:
Logged in with zimbra user:
[root@mail ~]# su - zimbra
Run below commands to check current staus you will get below output:
[zimbra@mail ~]$ zmlocalconfig | grep header_checks
postfix_header_checks = pcre:${zimbra_home}/conf/postfix_header_checks
[zimbra@mail ~]$ postconf | grep header_checks
header_checks =
lmtp_header_checks =
lmtp_mime_header_checks =
lmtp_nested_header_checks =
mime_header_checks = $header_checks
nested_header_checks = $header_checks
smtp_header_checks =
smtp_mime_header_checks =
smtp_nested_header_checks =
Now create a file:
[zimbra@mail ~]$ vim /opt/zimbra/conf/custom_header_checks
Add below line in this file:
/^subject:/ WARN Note: We can add our own header_checks in this file.
Then run below commands:
[zimbra@mail ~]$ zmlocalconfig -e postfix_header_checks="pcre:/opt/zimbra/conf/postfix_header_checks, pcre:/opt/zimbra/conf/custom_header_checks" [zimbra@mail ~]$ zmmtactl restart Rewriting configuration files...done. Stopping zmmtaconfig...done. Starting zmmtaconfig...done. postfix/postfix-script: refreshing the Postfix mail system Stopping saslauthd...done. Starting saslauthd...done.
Now run again below commands to check configuration:
[zimbra@mail ~]$ zmlocalconfig | grep postfix_header_checks postfix_header_checks = pcre:/opt/zimbra/conf/postfix_header_checks, pcre:/opt/zimbra/conf/custom_header_checks [zimbra@mail ~]$ postconf | grep header_checks header_checks = pcre:/opt/zimbra/conf/postfix_header_checks, pcre:/opt/zimbra/conf/custom_header_checks lmtp_header_checks = lmtp_mime_header_checks = lmtp_nested_header_checks = mime_header_checks = $header_checks nested_header_checks = $header_checks smtp_header_checks = smtp_mime_header_checks = smtp_nested_header_checks =
Run below command and restart the mta service:
[zimbra@mail ~]$ zmprov mcf zimbraMtaBlockedExtensionWarnRecipient FALSE [zimbra@mail ~]$ zmmtactl restart Rewriting configuration files...done. Stopping zmmtaconfig...done. Starting zmmtaconfig...done. postfix/postfix-script: refreshing the Postfix mail system Stopping saslauthd...done. Starting saslauthd...done.
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