From: Md. Ruhul Amin <tuhin_cse99@...>
Subject: [linuxwarrior] Relay access denied in postfix
To: linuxwarrior@yahoogroups.com
Date: Wednesday, 4 March, 2009, 10:51 AM

Hi guys,              I have installed postfix and dovecot in my centos5.X system.            I can send mail to the user in my group but can not send mail to any other domain            When I want to send mail error occured,..Relay access denied             What should I do to avoid SMTP Authentication?             I just   follow http://wiki. centos.org/ HowTos/postfix    here is my   $>postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases 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 mailq_path = /usr/bin/mailq. postfix manpage_directory = /usr/share/man mydestination = $myhostname, localhost.$mydomain , localhost, $mydomain mydomain = kosoko.com myhostname = smtp..mydomain. com mynetworks = 111.9.0.0/24, 222.91.0.0/24, 127.0.0.0/8 myorigin = $mydomain newaliases_path = /usr/bin/newaliases .postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/ postfix-2. 3.3/README_ FILES relay_domains = sample_directory = /usr/share/doc/ postfix-2. 3.3/samples sendmail_path = /usr/sbin/sendmail. postfix setgid_group = postdrop smtpd_sender_ restrictions = permit_mynetworks, reject_non_fqdn_ sender,  reject_unknown_ sender_domain,  permit unknown_local_ recipient_ reject_code = 450 Here is my master.cf record for smtp: # service type  private unpriv  chroot  wakeup  maxproc command + args #               (yes)   (yes)   (yes)   (never) (100) # ============ ========= ========= ========= ========= ========= ========= ======== smtp      inet  n       -       n       -       -       smtpd Please help me.         Amin