postfix/smtpd[3112]: connect from unknown ERROR on mail.log

Discussion in 'Server Operation' started by frost10torres, Jun 30, 2009.

  1. frost10torres

    frost10torres New Member

    Hi to all, im a newbie on this Forum.
    Will appreciate all help and assistance on my problem.

    I setupped a mail server and i can receive mail on my domain, But cannot send email from any other domains. I followed the "Howto: ISP-style Email Server..." by Christoph Haas.

    ##my postconf -n
    alias_database = hash:/etc/aliases
    alias_maps = hash:/etc/aliases
    append_dot_mydomain = no
    biff = no
    broken_sasl_auth_clients = yes
    config_directory = /etc/postfix
    content_filter = smtp-amavis:[]:10024
    inet_interfaces = all
    mailbox_size_limit = 0
    mydestination =,, localhost
    myhostname =
    mynetworks =
    myorigin = /etc/mailname
    receive_override_options = no_address_mappings
    recipient_delimiter = +
    relayhost =
    smtp_tls_session_cache_database = btree:${queue_directory}/smtp_scache
    smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
    smtpd_recipient_restrictions = permit_mynetworks,permit_sasl_authenticated,reject_unauth_destination
    smtpd_sasl_auth_enable = yes
    smtpd_sasl_path = private/auth
    smtpd_sasl_type = dovecot
    smtpd_tls_auth_only = yes
    smtpd_tls_cert_file = /etc/ssl/certs/postfix.pem
    smtpd_tls_key_file = /etc/ssl/private/postfix.pem
    smtpd_tls_session_cache_database = btree:${queue_directory}/smtpd_scache
    smtpd_use_tls = yes
    virtual_alias_maps = mysql:/etc/postfix/,mysql:/etc/postfix/
    virtual_gid_maps = static:5000
    virtual_mailbox_domains = mysql:/etc/postfix/
    virtual_mailbox_maps = mysql:/etc/postfix/
    virtual_transport = dovecot
    virtual_uid_maps = static:5000

    When i try to use MS outlook and send email from outside my home network, to 3 recipients at different domains, it wont send and has an error message that: "...- Sending reported error (0x800CCC80) : None of the authentication methods supported by this client are supported by your server"

    ##my mail.log
    dovecot: pop3-login: Login: user=<>, method=PLAIN, rip=, lip=
    Jun 30 19:57:30 hostname postfix/smtpd[3112]: warning: hostname verification failed: Name or service not known
    Jun 30 19:57:30 hostname postfix/smtpd[3112]: connect from unknown[]
    Jun 30 19:57:30 hostname postfix/smtpd[3112]: lost connection after EHLO from unknown[]
    Jun 30 19:57:30 hostname postfix/smtpd[3112]: disconnect from unknown[]
    Jun 30 19:57:30 hostname dovecot: POP3( Disconnected: Logged out top=0/0, retr=0/0, del=0/15, size=101512

    Im not yet technically knowledgeable in troubleshooting this kind of problem and i am working for this 3 days i a roow but to no avail. What do you think is the cause of the problem??.....Thanks in advance!
  2. falko

    falko Super Moderator Howtoforge Staff Moderator HowtoForge Supporter ISPConfig Developer

    This is the hostname I get for the IP
    mh1:~# dig -x
    ; <<>> DiG 9.3.4 <<>> -x
    ;; global options:  printcmd
    ;; Got answer:
    ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 11499
    ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
    ;      IN      PTR
    ;; ANSWER SECTION: 43200 IN      PTR     [B][/B].
    ;; Query time: 37 msec
    ;; SERVER:
    ;; WHEN: Wed Jul  1 14:40:54 2009
    ;; MSG SIZE  rcvd: 105
    What's in /etc/resolv.conf?

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