[SOLVED] Postfix as non-local SMTP

[bryall]

I'm not completely new to linux but I am to postfix so I feel my questions should go here...

So here's my dilemma, on the server I can send out and receive emails no problems when I am physically logged in, but when I telnet to the server through port 25, I can't send out emails. I got an error message saying:
554 5.7.1 <[blocked]@[site].com>: Relay access denied


Can somebody please tell me what I'm doing wrong?

Here's my results when I do postconf -n:

alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
append_dot_mydomain = no
biff = no
config_directory = /etc/postfix
inet_interfaces = all
mailbox_size_limit = 0
mydestination = emaintx3.net, localhost.$mydomain, , $mydomain
myhostname = emaintx3.net
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
myorigin = /etc/mailname
readme_directory = no
recipient_delimiter = +
relayhost =
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
smtpd_tls_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file = /etc/ssl/private/ssl-cert-snakeoil.key
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtpd_use_tls = yes

[vickey_20]

telnet normally runs on port 23 have you changed it to 25?

[bryall]

I got this working already... and no...

you can telnet to Port 25 to test SMTP from a remote server. It's the easiest way...