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Postfix not send emails outside local-machine

support
2013-09-08
2013-09-08
  • support
    support
    2013-09-08

    (Postfix version) /etc/postfix/main.cf.default:mail_version = 2.3.8

    (OS Version) bash-2.03#uname -a
    SunOS blade 5.8 Generic_108528-17 sun4u sparc SUNW,Sun-Blade-100

    (changed configs)

    bash-2.03# postconf -n
    alias_database = dbm:/etc/aliases
    alias_maps = dbm:/etc/aliases
    command_directory = /usr/sbin
    config_directory = /etc/postfix
    content_filter = imss:localhost:10025
    daemon_directory = /usr/libexec/postfix
    debug_peer_level = 2
    debug_peer_list = 127.0.0.1
    default_process_limit = 200
    html_directory = no
    local_recipient_maps = 
    mail_owner = postfix
    mailq_path = /usr/bin/mailq
    manpage_directory = /usr/local/man
    message_size_limit = 10240000
    mydestination = yahoo.com, localhost, localhost.$mydomain, $myhostname
    mydomain = eska.com
    myhostname = blade.eska.com
    mynetworks = 172.16.0.0/24, 127.0.0.0/8, 192.168.0.0/24
    mynetworks_style = class
    myorigin = $myhostname
    newaliases_path = /usr/bin/newaliases
    queue_directory = /var/spool/postfix
    readme_directory = /postfix.old/postfix-2.3.8/readme_directory
    relay_domains = $mydestination
    relayhost = $mydomain
    sample_directory = /etc/postfix
    sendmail_path = /usr/lib/sendmail
    setgid_group = postdrop
    unknown_local_recipient_reject_code = 450
    

    when i try to send an email to Gmail i get this response, which means that postfix tends to look for gmail server in loop-back network. this will fail always. response is below

    sendmail xxxx@gmail.com <"tst"
    <eska.hala@gmail.com>: connect to localhost[127.0.0.1]: Connection refused
    --970FE58DA.1354698369/blade.eska.com
    Content-Description: Delivery report
    Content-Type: message/delivery-status
    Reporting-MTA: dns; blade.eska.com
    X-Postfix-Queue-ID: 970FE58DA
    X-Postfix-Sender: rfc822; root@blade.eska.com
    Arrival-Date: Wed,  5 Dec 2012 11:06:09 +0200 (Asia/Amman)
    Final-Recipient: rfc822; eska.hala@gmail.com
    Action: delayed
    Status: 4.4.1
    Diagnostic-Code: X-Postfix; connect to localhost[127.0.0.1]: Connection refused
    

    when i use what-if-mode , postfix will actually go and search for gmail server and finds it, and confirm the deliverablity of this email. response is below:

    sendmail -bv xxxx@gmail.com <"test"
    Dec  5 10:57:52 blade postfix/smtp[15906]: [ID 197553 mail.info] 6447958DA:    to=<eska.hala@gmail.com>, relay=gmail-smtp-in.l.google.com[173.194.67.27]:25, delay=1.8,  delays=0.08/0.03/1.5/0.26, dsn=2.1.5, status=deliverable (250 2.1.5 OK u8si15432094wiw.9)
    
     
  • Simon Hobson
    Simon Hobson
    2013-09-08

    Firstly, this is not a general Postfix help forum - it's for help with Postfix Admin, a tool for managing virtual domains & mailboxes on Postfix.

    My guess is that relayhost = $mydomain (where mydomain = eska.com) is the problem. Does eska.com resolve locally to localhost by any chance ?

     
  • Simon Hobson
    Simon Hobson
    2013-09-08

    BTW - the main site for Postfix is over at postfix.org