You need to touch a file(dovecot.sieve) in the mailbox directory where you need to have the forward.
The mailboxes can be found in /var/sentora/vmail/[domain.tld]/
Just update the code with the correct email addresses, also make sure you preserve the same permissions and ownership.
The mailboxes can be found in /var/sentora/vmail/[domain.tld]/
Just update the code with the correct email addresses, also make sure you preserve the same permissions and ownership.