[uylug-varios] error postfix debian 7

[Raul Lopez]

Hola, configure postfix con la ayuda de algunos tutoriales en internet, 
y recibe bien, pero al intentar enviar correo (thunderbird) a mi cuenta 
de gmail, me da el siguiente error:

An error occurred while sending mail. The mail server responded:
5.7.1 <rlopezmoffa at gmail.com>: Relay access denied.
  Please check the message recipient "rlopezmoffa at gmail.com" and try again

Aca el contenido de main.cf

# See /usr/share/postfix/main.cf.dist for a commented, more complete version


# Debian specific:  Specifying a file name will cause the first
# line of that file to be used as the name.  The Debian default
# is /etc/mailname.
#myorigin = /etc/mailname

smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
biff = no

# appending .domain is the MUA's job.
append_dot_mydomain = no

# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h

readme_directory = no

# TLS parameters
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
smtpd_use_tls=yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
# information on enabling SSL in the smtp client.


mydomain = midominio.com.uy
myhostname = miservidor
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = $mydomain
mydestination = $mydomain, $mydomain.$myhostname, miservidor, 
localhost.cloud, localhost
relayhost =
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 
104.236.122.0/24      x.x.x.0/24 <-- ip servidor

mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
inet_protocols = all

Saludos,
Raul.