Relay Access Dinied In Postfix

Discussion in 'Server Operation' started by tductho, Aug 21, 2009.

  1. tductho

    tductho New Member

    I setup a mail server according to falko's tutorial "Virtual Users And Domains With Postfix, Courier, MySQL And SquirrelMail (Debian Lenny)". I send mail test in local and by webmail then Ok But when send mail by outlook express over Internet to other domains then errors "The message could not be sent because one of the recipients was rejected by the server. The rejected xxxx, Relay access denied', Port: 25, Secure(SSL): No, Server Error: 554, Error Number: 0x800CCC79"

    Please help me fix this problem !
  2. dipeshmehta

    dipeshmehta Member

    You should enable SMTP authentication. Check 'My outgoing server requires authentication' in outlook / outlook express.

    Hope this works.

  3. tductho

    tductho New Member

    I've checked and enable " smtpd_tls_auth_only = yes"
    But when send errors
  4. dipeshmehta

    dipeshmehta Member

    you need to configure it into your outlook. Under Account Properties > Server, there is Outgoingmail Mail Server > [ ] My server requires authentication. You need to check (tick) this box.

  5. tductho

    tductho New Member

    I've tick But errors
  6. falko

    falko Super Moderator ISPConfig Developer

    What's the exact error message you're getting now? Are there any errors in your mail log?
  7. tductho

    tductho New Member

    Hi Falko
    this is error in my log file when send from outlook express.

    mail postfix/smtpd[20278]: NOQUEUE: reject: RCPT from unknown[IP]: 554 5.7.1 <[email protected]>: Relay access denied; from=<[email protected]> to=<[email protected]> proto=SMTP helo=<test>
  8. dipeshmehta

    dipeshmehta Member

    please post your /etc/postfix/ here
  9. tductho

    tductho New Member

    This is my file
    # See /usr/share/postfix/ for a commented, more complete version

    # Debian specific: Specifying a file name will cause the first
    # line of that file to be used as the name. The Debian default
    # is /etc/mailname.
    #myorigin = /etc/mailname

    smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
    biff = no

    # appending .domain is the MUA's job.
    append_dot_mydomain = no

    # Uncomment the next line to generate "delayed mail" warnings
    #delay_warning_time = 4h

    readme_directory = /usr/share/doc/postfix

    # TLS parameters
    smtpd_tls_cert_file = /etc/postfix/smtpd.cert
    smtpd_tls_key_file = /etc/postfix/smtpd.key
    smtpd_use_tls = yes
    smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
    smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

    # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
    # information on enabling SSL in the smtp client.

    myhostname =
    alias_maps = hash:/etc/aliases
    alias_database = hash:/etc/aliases
    myorigin = /etc/mailname
    mydestination =, localhost, localhost.localdomain
    relayhost =
    mynetworks =
    mailbox_command = procmail -a "$EXTENSION"
    mailbox_size_limit = 0
    recipient_delimiter = +
    inet_interfaces = all
    html_directory = /usr/share/doc/postfix/html
    message_size_limit = 30720000
    virtual_alias_domains =
    virtual_alias_maps = proxy:mysql:/etc/postfix/, mysql:/etc/postfix/
    virtual_mailbox_domains = proxy:mysql:/etc/postfix/
    virtual_mailbox_maps = proxy:mysql:/etc/postfix/
    virtual_mailbox_base = /home/vmail
    virtual_uid_maps = static:5000
    virtual_gid_maps = static:5000
    smtpd_sasl_auth_enable = yes
    broken_sasl_auth_clients = yes
    smtpd_sasl_authenticated_header = yes
    smtpd_recipient_restrictions =
    transport_maps = proxy:mysql:/etc/postfix/
    virtual_create_maildirsize = yes
    virtual_maildir_extended = yes
    virtual_mailbox_limit_maps = proxy:mysql:/etc/postfix/
    virtual_mailbox_limit_override = yes
    virtual_maildir_limit_message = "The user you are trying to reach is over quota."
    virtual_overquota_bounce = yes
    proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domai$
    smtpd_tls_auth_only = yes

    please show me how to fix this problem !

  10. dipeshmehta

    dipeshmehta Member

    this statement should go into one line, if there is CR please remove it.

    this line misses some parameters, check and compare with the howto which you followed.

    if you make any changes to postfix configuration files, do not forget to restart postfix using
    /etc/init.d/postfix restart
  11. tductho

    tductho New Member

    thanks Dipesh
    I fix acording to how to but still errors ' relay access denied"
    please note : If I add "mynetwork= my subnet" then I send local and internet ok But when go home will not use mail client as outlook or express to send mail over postfix .
  12. dipeshmehta

    dipeshmehta Member

    No need to add "mynetwork= my subnet", leave it as it was. Instead put
    mydestination =,,, localhost, localhost.localdomain
    Ideally mydestination should contain all domains that you want to accept emails for.

  13. tductho

    tductho New Member

    I done as your guide But errors "relay access denied "
  14. dipeshmehta

    dipeshmehta Member

    I am sorry friend, I do not have any further idea. Falko may help you.


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