Zimbra Enable mail bounce for quota accounts

Logged in as zimbra user

[root@mail ~]# su - zimbra

Check the current status:

[zimbra@mail ~]$ zmprov gacf zimbraLmtpPermanentFailureWhenOverQuota

zimbraLmtpPermanentFailureWhenOverQuota: FALSE

Run below command to enable:

[zimbra@mail ~]$ zmprov mcf zimbraLmtpPermanentFailureWhenOverQuota TRUE

Run again below command to check the status:

[zimbra@mail ~]$ zmprov gacf zimbraLmtpPermanentFailureWhenOverQuota

zimbraLmtpPermanentFailureWhenOverQuota: TRUE

Restart mta service:

[zimbra@mail ~]$ zmmtactl restart