Hi! I am new to Linux and have very basic understanding about networking... I am using Linux Centos 5 installed Postfix and configured as per the tutorial: http://www.linuxmail.info/postfix-smtp-server-howto-centos-5/ I have a static IP address and I have created valid user id's who are within the organization. I am not allowing emails to go outside the domain or receive either. I want to send mail notification to users using Project-Open software and the mail does not go from the client side. This is how it appears in the maillog file: Jun 20 15:38:56 localhost postfix/qmgr[19802]: 40A88B807F: from=<[email protected]>, size=932, nrcpt=1 (queue active) Jun 20 15:38:56 localhost postfix/qmgr[19802]: 40A88B807F: to=<[email protected]>, relay=none, delay=5824, delays=5824/0/0/0, dsn=4.4.1, status=deferred (delivery temporarily suspended: connect to mail.messaging.microsoft.com[216.32.180.22]: Connection refused) My main.cf files looks like this: (everything is # out or left alone by default -based as per the above mentioned tutorial) # LOCAL PATHNAME INFORMATION # # The queue_directory specifies the location of the Postfix queue. # This is also the root directory of Postfix daemons that run chrooted. # See the files in examples/chroot-setup for setting up Postfix chroot # environments on different UNIX systems. # queue_directory = /var/spool/postfix # The command_directory parameter specifies the location of all # postXXX commands. # command_directory = /usr/sbin # The daemon_directory parameter specifies the location of all Postfix # daemon programs (i.e. programs listed in the master.cf file). This # directory must be owned by root. # daemon_directory = /usr/libexec/postfix # QUEUE AND PROCESS OWNERSHIP # # The mail_owner parameter specifies the owner of the Postfix queue # and of most Postfix daemon processes. Specify the name of a user # account THAT DOES NOT SHARE ITS USER OR GROUP ID WITH OTHER ACCOUNTS # AND THAT OWNS NO OTHER FILES OR PROCESSES ON THE SYSTEM. In # particular, don't specify nobody or daemon. PLEASE USE A DEDICATED # USER. # mail_owner = postfix # The default_privs parameter specifies the default rights used by # the local delivery agent for delivery to external file or command. # These rights are used in the absence of a recipient user context. # DO NOT SPECIFY A PRIVILEGED USER OR THE POSTFIX OWNER. # #default_privs = nobody # INTERNET HOST AND DOMAIN NAMES # # The myhostname parameter specifies the internet hostname of this # mail system. The default is to use the fully-qualified domain name # from gethostname(). $myhostname is used as a default value for many # other configuration parameters. # myhostname = project-open #myhostname = virtual.domain.tld # The mydomain parameter specifies the local internet domain name. # The default is to use $myhostname minus the first component. # $mydomain is used as a default value for many other configuration # parameters. # mydomain = localhost.localdomain # SENDING MAIL # # The myorigin parameter specifies the domain that locally-posted # mail appears to come from. The default is to append $myhostname, # which is fine for small sites. If you run a domain with multiple # machines, you should (1) change this to $mydomain and (2) set up # a domain-wide alias database that aliases each user to # [email protected]st. # # For the sake of consistency between sender and recipient addresses, # myorigin also specifies the default domain name that is appended # to recipient addresses that have no @domain part. # myorigin = $myhostname myorigin = $mydomain # RECEIVING MAIL # The inet_interfaces parameter specifies the network interface # addresses that this mail system receives mail on. By default, # the software claims all active interfaces on the machine. The # parameter also controls delivery of mail to user@[ip.address]. # # See also the proxy_interfaces parameter, for network addresses that # are forwarded to us via a proxy or network address translator. # # Note: you need to stop/start Postfix when this parameter changes. # inet_interfaces = all #inet_interfaces = $myhostname #inet_interfaces = $myhostname, localhost #inet_interfaces = localhost I know I am missing something please help me figure this out. Thanks
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