First of all, sorry by my poor english

Zimbra 7.2
This link Transport Table for external servers - Zimbra :: Wiki helped me to customize my transport maps
No problem, everything was OK

I have upgraded from ZCS 7.2 to 8.0.3 and now doesn't work

Code:
Apr 23 22:49:13 zimbraxx postfix/smtpd[8242]: NOQUEUE: filter: RCPT from zimbraxx.#####[217.#.#.#]: <zimbra69@dominio.com>: Sender address triggers FILTER smtp-amavis:[127.0.0.1]:10026; from=<zimbra69@dominio.com> to=<xms@dominio.com> proto=ESMTP helo=<zimbraxx.#######>
Apr 23 22:49:13 zimbraxx postfix/smtpd[8242]: NOQUEUE: reject: RCPT from zimbraxx.#######[217.#,#,#]: 550 5.1.1 <xms@dominio.com>: Recipient address rejected: User unknown in virtual mailbox table; from=<zimbra69@dominio.com> to=<xms@dominio.com> proto=ESMTP helo=<zimbraxx.#######>
Apr 23 22:49:13 zimbraxx postfix/smtpd[8242]: disconnect from zimbraxx.######[217.#.#.#]
Can you help me ?

Saludos from Spain