I have a big problem with postfix. I can receive mail in webmin and outlook but I can't send (only on local I can - user to user). Dovecot is working just fine. Sendmail is disable. Please help me.

postfix -n
postfix: invalid option -- n
postfix: fatal: usage: postfix [-c config_dir] [-Dv] command
[root@xprivatecams usr]# postconf -n
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
broken_sasl_auth_clients = yes
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/libexec/postfix
debug_peer_level = 2
home_mailbox = Maildir/
html_directory = no
inet_interfaces = all
mail_owner = postfix
mailbox_command =
mailq_path = /usr/bin/mailq.postfix
manpage_directory = /usr/share/man
milter_default_action = acceptsmtpd_tls_auth_only = no
milter_protocol = 2
mydestination = $myhostname, localhost.$mydomain, localhost
myhostname = xprivatecams.com
mynetworks = 94.177.41.0/24, 127.0.0.0/8
newaliases_path = /usr/bin/newaliases.postfix
non_smtpd_milters = inet:localhost:20207
queue_directory = /var/spool/postfix
readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES
sample_directory = /usr/share/doc/postfix-2.3.3/samples
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
smtp_tls_note_starttls_offer = yes
smtp_use_tls = yes
smtpd_milters = inet:localhost:20207
smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination
smtpd_sasl_auth_enable = yes
smtpd_sasl_authenticated_header = yes
smtpd_sasl_local_domain =
smtpd_sasl_security_options = noanonymous
smtpd_tls_CAfile = /etc/postfix/ssl/cacert.pem
smtpd_tls_auth_only = no
smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt
smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key
smtpd_tls_loglevel = 1
smtpd_tls_received_header = yes
smtpd_tls_session_cache_timeout = 3600s
smtpd_use_tls = yes
tls_random_source = dev:/dev/urandom
unknown_local_recipient_reject_code = 550

Jan 18 00:46:17 xprivatecams postfix/postfix-script: starting the Postfix mail system
Jan 18 00:46:17 xprivatecams postfix/master[15545]: daemon started -- version 2.3.3, configuration /etc/postfix
Jan 18 00:48:00 xprivatecams postfix/pickup[15546]: EDE7EA8001B: uid=0 from=<[email protected]>
Jan 18 00:48:00 xprivatecams postfix/cleanup[15817]: EDE7EA8001B: message-id=<[email protected]>
Jan 18 00:48:00 xprivatecams opendkim[2776]: EDE7EA8001B: DKIM-Signature header added
Jan 18 00:48:01 xprivatecams postfix/qmgr[15547]: EDE7EA8001B: from=<[email protected]>, size=615, nrcpt=1 (queue active)
Jan 18 00:48:31 xprivatecams postfix/smtp[15820]: connect to mail.flabell.com[72.47.224.75]: Connection timed out (port 25)
Jan 18 00:48:31 xprivatecams postfix/smtp[15820]: EDE7EA8001B: to=<[email protected]>, relay=none, delay=30, delays=0.08/0.03/30/0, dsn=4.4.1, status=deferred (connect to mail.flabell.com[72.47.224.75]: Connection timed out)


telnet 94.177.41.70 25
Trying 94.177.41.70...
Connected to xprivatecams.com (94.177.41.70).
Escape character is '^]'.
220 xprivatecams.com ESMTP Postfix
ehlo me
250-xprivatecams.com
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-STARTTLS
250-AUTH LOGIN PLAIN
250-AUTH=LOGIN PLAIN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN