How to create backup account in zimbra

Here I am creating an account in which I want all incoming and outgoing mail in specific zimbra account

Create an account like : report@example.com

$zmprov ca report@example.compasswordhere

Go to config file and put backup parameter below of file

$vim /opt/zimbra/postfix/main.cf

always_bcc = report@example.com

Reload postfix service

#postfix reload

Test mail both incoming and outgoing.

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Create a separate backup account for each user in zimbra

Create an account for  shahzad@example.com

Create incoming mail account: shahzad.in@example.com

Create outgoing mail account: shahzad.out@example.com

$zmprov ca shahzad@example.compasswordhere

 $zmprov ca shahzad.in@example.com passwordhere

$zmprov ca shahzad.out@example.compasswordhere

Go to config file and put backup parameter below of file

For Zimbra 8.6 version

$vim /opt/zimbra/postfix/main.cf

sender_bcc_maps = texthash:/opt/zimbra/postfix/conf/archivelist-sending

recipient_bcc_maps = texthash:/opt/zimbra/postfix/conf/archivelist-receving

For below zimbra 8.6 version

sender_bcc_maps = hash:/opt/zimbra/postfix/conf/archivelist-sending

recipient_bcc_maps = hash:/opt/zimbra/postfix/conf/archivelist-receving

Reload config file

$postfix reload

Now create backup file

$ touch /opt/zimbra/postfix/conf/archivelist-sending

$ touch /opt/zimbra/postfix/conf/archivelist-receving

Check permission of file

$ ls -l /opt/zimbra/postfix/conf/archivelist-sending

-rw-r----- 1 zimbra zimbra 0 Mar 26 02:00 /opt/zimbra/postfix/conf/archivelist-sending

$ ls -l /opt/zimbra/postfix/conf/archivelist-receving

-rw-r----- 1 zimbra zimbra 0 Mar 26 02:08 /opt/zimbra/postfix/conf/archivelist-receving

Set backup for outgoing

$vim /opt/zimbra/postfix/conf/archivelist-sending

shahzad@example.comshahzad.out@example.com

Set backup for incoming

$vim /opt/zimbra/postfix/conf/archivelist-receving

shahzad@example.comshahzad.in@example.com

Update backup file using portmap command

$postmap /opt/zimbra/postfix/conf/archivelist-sending

$postmap  /opt/zimbra/postfix/conf/archivelist-receving

Now Test backup