Wrong postfix&dovecot configuration in virtual domain

This is my first time configuring virtualmin/webmin and i cannot complete configuration postfix I have configure ssh,mysql, apache, dovecot and BIND DNS right. I have configure two domains, main domain and other virtual domain. but when i have configured postfix i have checked send email from server to other mail using roundcube installed in one domain and is right I can configure POP3 /SMTP account in client email right but when i try send email from gmail to new account i recived this error: This is the mail system at host prod-node1.xxx.es.

I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster. If you do so, please include this problem report. You can delete your own text from the attached returned message. The mail system (expanded from ): host prod-node1.xxx.es/var/run/dovecot/lmtp] said: 550 5.1.1 User doesn't exist: pp2-cartavinos.es@prod-node1.xxx.es (in reply to RCPT TO command) Final-Recipient: rfc822; pp2-cartavinos.es@prod-node1.xxx.es Original-Recipient: rfc822;pp2@cartavinos.es Action: failed Status: 5.1.1 Remote-MTA: dns; prod-webext1.xxx.es Diagnostic-Code: smtp; 550 5.1.1 User doesn't exist: pp2-cartavinos.es@prod-node1.xxx.es domain is xxx.es and server name (hostname -f) is prod-node1.xxx.es other virtual domain is cartavinos.es and i have created email pp2@cartavinos.es

my postconf -n command is:

[root@prod-node1 ~]# postconf -n
alias_maps = hash:/etc/aliases
allow_percent_hack = no
broken_sasl_auth_clients = yes
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/libexec/postfix
data_directory = /var/lib/postfix
debug_peer_level = 2
debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin ddd $daemon_directory/$process_name $process_id & sleep 5
home_mailbox = Maildir/
html_directory = no
inet_interfaces = all
inet_protocols = all
mailbox_command = /usr/lib/dovecot/dovecot-lda -d "$USER"
mailbox_size_limit = 0
mailbox_transport = lmtp:unix:/var/run/dovecot/lmtp
mailq_path = /usr/bin/mailq.postfix
manpage_directory = /usr/share/man
mydestination = $myhostname, localhost.$mydomain, $mydomain, prod-node1.xxx.es mail.$mydomain
mydomain = xxx.es
myhostname = prod-node1.xxx.es
myorigin = $mydomain
newaliases_path = /usr/bin/newaliases.postfix
readme_directory = /usr/share/doc/postfix-2.10.1/README_FILES
recipient_bcc_maps = hash:/etc/postfix/recipient_bcc
sample_directory = /usr/share/doc/postfix-2.10.1/samples
sender_bcc_maps = hash:/etc/postfix/bcc
sender_canonical_maps = hash:/etc/postfix/canonical
sender_dependent_default_transport_maps = hash:/etc/postfix/dependent
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
smtp_use_tls = yes
smtpd_recipient_restrictions = permit_mynetworks permit_sasl_authenticated reject_unauth_destination
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous
unknown_local_recipient_reject_code = 550
virtual_alias_maps = hash:/etc/postfix/virtual
virtual_transport = lmtp:unix:/var/run/dovecot/lmtp

Please can someone help me , i don't mind use LMTP or other protocol only want configure in some way the postfix&dovecot