Hello
Im trying to send email from a email relay in Postfix.
Basically I have two Postfix installed: One (A) is trying to send email and the other (B) is attached pointing to a Office 365.
The other one (B) is configured correctly but when I try to send emails from A, I get:
Postfix 454 4.7.1 Relay access denied (in reply to RCPT TO command))
Both Postfix have a name of SERVER1.internaldomain.net and SERVER2.internaldomain.net
The email address I trying to send from is
email@externaldomain.com
The email adddres I am trying to send email TO is
email@anotherexternaldomain.com
This is my main.cf on SERVER1:
Code:
queue_directory = /var/spool/postfix
command_directory = /usr/sbin
daemon_directory = /usr/libexec/postfix
data_directory = /var/lib/postfix
mail_owner = postfix
inet_interfaces = $myhostname, localhost
inet_protocols = all
mydestination = $myhostname, localhost.$mydomain, localhost
unknown_local_recipient_reject_code = 550
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
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
sendmail_path = /usr/sbin/sendmail.postfix
newaliases_path = /usr/bin/newaliases.postfix
mailq_path = /usr/bin/mailq.postfix
setgid_group = postdrop
html_directory = no
manpage_directory = /usr/share/man
sample_directory = /usr/share/doc/postfix-2.10.1/samples
readme_directory = /usr/share/doc/postfix-2.10.1/README_FILES
myhostname = SERVER1.internaldomain.net
relayhost = [SERVER2.internaldomain.net]
smtp_use_tls = yes
smtp_sasl_auth_enable = yes
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
smtp_tls_CAfile = /etc/ssl/certs/ca-bundle.crt
smtp_sasl_security_options = noanonymous
smtp_sasl_tls_security_options = noanonymous
smtp_generic_maps = hash:/etc/postfix/generic
