turning off mailsize stats in postfix

Discussion in 'Server Operation' started by baxide, Mar 27, 2007.

  1. baxide

    baxide New Member

    Dear Members,

    I know this issue has been discussed a couple of times here, but my problem is a bit different from the previous ones, and so I need some help to solve it.

    I installed ISPConfig on a fresh CentOS, following the "Perfect setup" how-to.

    I'm using multiple domains on a single machine, but I only use one domain for emails. When the mail server went live, people started receiving hundreds of mailsize emails bouncing back from another server.

    I noticed, that the mailsize emails were accidentally sent to adminspconfig "<at>" localdomain.at , even though I have not told ISPConfig to use that address. Actually I have nothing to do with localdomain.at. I guess the server somehow tryied to figure out what our local admin email is, and glued it together wrong, using the words admispconfig, localdomain and .at, our TLD.

    Now what I did to stop the flood was to comment out this line, in every user's .procmailrc file in /var/www/web1/users/<user's directory>:
    INCLUDERC=/var/www/web1/user/<username>/.mailsize.rc

    It is interesting to see, that all other lines are automatically commented out, except for the first one. Is this a bug?

    I see two possible solutions, just don't know how to do it, so please someone help me out:

    1) tell ISPConfig (or Sendmail, or Procmailrc) to use admispconfig@localhost instead of adminspconfig "<at>" localdomain.at
    Ist this a setting somewhere in a conf file? Or is it really glued together of components like hostname, etc? How could I fix that?

    2) tell ISPConfig (or Sendmail or Procmail) to NOT use mailsize stats at all, I don't care about mailsize. It's an own server, it's not a commercial hosting solution, so I don't care about mail traffic...

    Any help would be greatly appreciated!

    -Tamas
     
  2. falko

    falko Super Moderator ISPConfig Developer

    If you take a look at the mailsize.rc recipes in the users' homedirs, you'll see that [email protected]ldomain is hardcoded into it, so it seems your system translates this to [email protected].
    What's the output of
    Code:
    hostname
    and
    Code:
    hostname -f
    , and what's in /etc/hosts and /etc/postfix/main.cf?

    If you don't need the mailstats, it's correct to comment out the line in the procmailrc template.

    No, this is ok. :)
     
  3. baxide

    baxide New Member

    dear Falko, thanks for your reply!

    Output of "hostname":
    ceit.at

    Output of "hostname -f":
    ceit.at

    /etc/hosts contains:
    # Do not remove the following line, or various programs
    # that require network functionality will fail.
    127.0.0.1 ceit.at ceit localhost.localdomain localhost
    10.254.69.253 www.ceit.at www

    /etc/postfix/main.cf contains the following (after removing the comments):

    queue_directory = /var/spool/postfix

    command_directory = /usr/sbin

    daemon_directory = /usr/libexec/postfix

    mail_owner = postfix

    inet_interfaces = all

    unknown_local_recipient_reject_code = 550

    alias_maps = hash:/etc/aliases
    alias_database = hash:/etc/aliases

    debug_peer_level = 2

    debugger_command =
    PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin
    xxgdb $daemon_directory/$process_name $process_id & sleep 5

    sendmail_path = /usr/sbin/sendmail.postfix

    newaliases_path = /usr/bin/newaliases.postfix

    mailq_path = /usr/bin/mailq.postfix

    setgid_group = postdrop

    html_directory = no

    manpage_directory = /usr/share/man

    sample_directory = /usr/share/doc/postfix-2.2.10/samples

    readme_directory = /usr/share/doc/postfix-2.2.10/README_FILES
    smtpd_sasl_local_domain =
    smtpd_sasl_auth_enable = yes
    broken_sasl_auth_clients = yes
    smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination
    mynetworks = 127.0.0.0/8
    smtpd_tls_auth_only = no
    smtpd_use_tls = yes
    smtp_use_tls = yes
    smtp_tls_note_starttls_offer = yes
    smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key
    smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt
    smtpd_tls_CAfile = /etc/postfix/ssl/cacert.pem
    smtpd_tls_loglevel = 1
    smtpd_tls_received_header = yes
    smtpd_tls_session_cache_timeout = 3600s
    tls_random_source = dev:/dev/urandom
    home_mailbox = Maildir/
    mailbox_command =

    virtual_maps = hash:/etc/postfix/virtusertable

    mydestination = /etc/postfix/local-host-names
    smtpd_sasl_security_options = noanonymous


    You said:
    "If you don't need the mailstats, it's correct to comment out the line in the procmailrc template."
    You mean, the individual .procmailrc files are created based on a master template? Which is that? I hava two guesses, but please tell me which is the correct one:
    /root/ispconfig/isp/conf/procmailrc.master
    /home/admispconfig/.procmailrc

    The fist one contains this:
    {MAILDIR_COMMENT}MAILDIR=$HOME/Maildir/
    {MAILDIR_COMMENT}DEFAULT=$MAILDIR
    {MAILDIR_COMMENT}ORGMAIL=$MAILDIR
    {QUOTA}
    INCLUDERC={PMDIR}/.mailsize.rc
    {QUOTA_COMMENT}INCLUDERC={PMDIR}/.quota.rc
    {ANTIVIRUS_COMMENT}INCLUDERC={PMDIR}/.antivirus.rc
    {MAILSCAN_COMMENT}INCLUDERC={PMDIR}/.local-rules.rc
    {MAILSCAN_COMMENT}INCLUDERC={PMDIR}/.html-trap.rc
    {SPAMASSASSIN_COMMENT}INCLUDERC={PMDIR}/.spamassassin.rc
    {AUTORESPONDER_COMMENT}INCLUDERC={PMDIR}/.autoresponder.rc

    How would I need to change it, so that it comments out the mailsize.rc line?
    Should I go like this?:

    {MAILSIZE_COMMENT}INCLUDERC={PMDIR}/.mailsize.rc

    Thanks again for your answer, I greatly appreciate your help!
     
    Last edited: Mar 28, 2007
  4. falko

    falko Super Moderator ISPConfig Developer

    Can you also post the output of
    Code:
    postconf -d
    ?

    I mean /root/ispconfig/isp/conf/procmailrc.master.


    Just change
    Code:
    INCLUDERC={PMDIR}/.mailsize.rc
    to
    Code:
    #INCLUDERC={PMDIR}/.mailsize.rc
     
  5. baxide

    baxide New Member

    Hi,

    Thanks for your prompt answer, I'm glad the problem is gone.

    The output of postconf -d is too long (14k), so I'll have to post it in two parts. Here is part one:


    2bounce_notice_recipient = postmaster
    access_map_reject_code = 554
    address_verify_default_transport = $default_transport
    address_verify_local_transport = $local_transport
    address_verify_map =
    address_verify_negative_cache = yes
    address_verify_negative_expire_time = 3d
    address_verify_negative_refresh_time = 3h
    address_verify_poll_count = 3
    address_verify_poll_delay = 3s
    address_verify_positive_expire_time = 31d
    address_verify_positive_refresh_time = 7d
    address_verify_relay_transport = $relay_transport
    address_verify_relayhost = $relayhost
    address_verify_sender = postmaster
    address_verify_service_name = verify
    address_verify_transport_maps = $transport_maps
    address_verify_virtual_transport = $virtual_transport
    alias_database = hash:/etc/aliases
    alias_maps = hash:/etc/aliases, nis:mail.aliases
    allow_mail_to_commands = alias, forward
    allow_mail_to_files = alias, forward
    allow_min_user = no
    allow_percent_hack = yes
    allow_untrusted_routing = no
    alternate_config_directories =
    always_bcc =
    anvil_rate_time_unit = 60s
    anvil_status_update_time = 600s
    append_at_myorigin = yes
    append_dot_mydomain = yes
    application_event_drain_time = 100s
    authorized_flush_users = static:anyone
    authorized_mailq_users = static:anyone
    authorized_submit_users = static:anyone
    backwards_bounce_logfile_compatibility = yes
    berkeley_db_create_buffer_size = 16777216
    berkeley_db_read_buffer_size = 131072
    best_mx_transport =
    biff = yes
    body_checks =
    body_checks_size_limit = 51200
    bounce_notice_recipient = postmaster
    bounce_queue_lifetime = 5d
    bounce_service_name = bounce
    bounce_size_limit = 50000
    broken_sasl_auth_clients = no
    canonical_classes = envelope_sender, envelope_recipient, header_sender, header_recipient
    canonical_maps =
    cleanup_service_name = cleanup
    command_directory = /usr/sbin
    command_execution_directory =
    command_expansion_filter = 1234567890!@%-_=+:,./abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
    command_time_limit = 1000s
    config_directory = /etc/postfix
    connection_cache_service = scache
    connection_cache_status_update_time = 600s
    connection_cache_ttl_limit = 2s
    content_filter =
    daemon_directory = /usr/libexec/postfix
    daemon_timeout = 18000s
    debug_peer_level = 2
    debug_peer_list =
    default_database_type = hash
    default_delivery_slot_cost = 5
    default_delivery_slot_discount = 50
    default_delivery_slot_loan = 3
    default_destination_concurrency_limit = 20
    default_destination_recipient_limit = 50
    default_extra_recipient_limit = 1000
    default_minimum_delivery_slots = 3
    default_privs = nobody
    default_process_limit = 100
    default_rbl_reply = $rbl_code Service unavailable; $rbl_class [$rbl_what] blocked using $rbl_domain${rbl_reason?; $rbl_reason}
    default_recipient_limit = 10000
    default_transport = smtp
    default_verp_delimiters = +=
    defer_code = 450
    defer_service_name = defer
    defer_transports =
    delay_notice_recipient = postmaster
    delay_warning_time = 0h
    deliver_lock_attempts = 20
    deliver_lock_delay = 1s
    disable_dns_lookups = no
    disable_mime_input_processing = no
    disable_mime_output_conversion = no
    disable_verp_bounces = no
    disable_vrfy_command = no
    dont_remove = 0
    double_bounce_sender = double-bounce
    duplicate_filter_limit = 1000
    empty_address_recipient = MAILER-DAEMON
    enable_original_recipient = yes
    error_notice_recipient = postmaster
    error_service_name = error
    execution_directory_expansion_filter = 1234567890!@%-_=+:,./abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
    expand_owner_alias = no
    export_environment = TZ MAIL_CONFIG
    fallback_relay =
    fallback_transport =
    fast_flush_domains = $relay_domains
    fast_flush_purge_time = 7d
    fast_flush_refresh_time = 12h
    fault_injection_code = 0
    flush_service_name = flush
    fork_attempts = 5
    fork_delay = 1s
    forward_expansion_filter = 1234567890!@%-_=+:,./abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
    forward_path = $home/.forward${recipient_delimiter}${extension}, $home/.forward
    hash_queue_depth = 1
    hash_queue_names = deferred, defer
    header_address_token_limit = 10240
    header_checks =
    header_size_limit = 102400
    helpful_warnings = yes
    home_mailbox =
    hopcount_limit = 50
    html_directory = no
    ignore_mx_lookup_error = no
    import_environment = MAIL_CONFIG MAIL_DEBUG MAIL_LOGTAG TZ XAUTHORITY DISPLAY
    in_flow_delay = 1s
    inet_interfaces = all
    inet_protocols = ipv4
    initial_destination_concurrency = 5
    invalid_hostname_reject_code = 501
    ipc_idle = 100s
    ipc_timeout = 3600s
    ipc_ttl = 1000s
    line_length_limit = 2048
    lmtp_cache_connection = yes
    lmtp_connect_timeout = 0s
    lmtp_data_done_timeout = 600s
    lmtp_data_init_timeout = 120s
    lmtp_data_xfer_timeout = 180s
    lmtp_destination_concurrency_limit = $default_destination_concurrency_limit
    lmtp_destination_recipient_limit = $default_destination_recipient_limit
    lmtp_lhlo_timeout = 300s
    lmtp_mail_timeout = 300s
    lmtp_quit_timeout = 300s
    lmtp_rcpt_timeout = 300s
    lmtp_rset_timeout = 20s
    lmtp_sasl_auth_enable = no
    lmtp_sasl_password_maps =
    lmtp_sasl_security_options = noplaintext, noanonymous
    lmtp_send_xforward_command = no
    lmtp_skip_quit_response = no
    lmtp_tcp_port = 24
    lmtp_xforward_timeout = 300s
    local_command_shell =
    local_destination_concurrency_limit = 2
    local_destination_recipient_limit = 1
    local_header_rewrite_clients = permit_inet_interfaces
    local_recipient_maps = proxy:unix:passwd.byname $alias_maps
    local_transport = local:$myhostname
    luser_relay =
    mail_name = Postfix
    mail_owner = postfix
    mail_release_date = 20060405
    mail_spool_directory = /var/mail
    mail_version = 2.2.10
    mailbox_command =
    mailbox_command_maps =
    mailbox_delivery_lock = fcntl, dotlock
    mailbox_size_limit = 51200000
    mailbox_transport =
    mailq_path = /usr/bin/mailq
    manpage_directory = /usr/local/man
    maps_rbl_domains =
    maps_rbl_reject_code = 554
    masquerade_classes = envelope_sender, header_sender, header_recipient
    masquerade_domains =
    masquerade_exceptions =
    max_idle = 100s
    max_use = 100
    maximal_backoff_time = 4000s
    maximal_queue_lifetime = 5d
    message_size_limit = 10240000
    mime_boundary_length_limit = 2048
    mime_header_checks = $header_checks
    mime_nesting_limit = 100
    minimal_backoff_time = 1000s
    multi_recipient_bounce_reject_code = 550
    mydestination = $myhostname, localhost.$mydomain, localhost
    mydomain = ceit.at
    myhostname = ceit.at
    mynetworks = 127.0.0.0/8 172.16.10.0/24
    mynetworks_style = subnet
    myorigin = $myhostname
    nested_header_checks = $header_checks
    newaliases_path = /usr/bin/newaliases
    non_fqdn_reject_code = 504
    notify_classes = resource, software
    owner_request_special = yes
    parent_domain_matches_subdomains = debug_peer_list,fast_flush_domains,mynetworks,permit_mx_backup_networks,qmqpd_authorized_clients,relay_domains,smtpd_access_maps
    permit_mx_backup_networks =
    pickup_service_name = pickup
    prepend_delivered_header = command, file, forward
    process_id_directory = pid
    propagate_unmatched_extensions = canonical, virtual
    proxy_interfaces =
    proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks
    qmgr_clog_warn_time = 300s
    qmgr_fudge_factor = 100
    qmgr_message_active_limit = 20000
    qmgr_message_recipient_limit = 20000
    qmgr_message_recipient_minimum = 10
    qmqpd_authorized_clients =
    qmqpd_error_delay = 1s
    qmqpd_timeout = 300s
    queue_directory = /var/spool/postfix
    queue_file_attribute_count_limit = 100
    queue_minfree = 0
    queue_run_delay = 1000s
    queue_service_name = qmgr
    rbl_reply_maps =
    readme_directory = no
    receive_override_options =
    recipient_bcc_maps =
    recipient_canonical_classes = envelope_recipient, header_recipient
    recipient_canonical_maps =
    recipient_delimiter =
    reject_code = 554
    relay_clientcerts =
    relay_destination_concurrency_limit = $default_destination_concurrency_limit
    relay_destination_recipient_limit = $default_destination_recipient_limit
    relay_domains = $mydestination
    relay_domains_reject_code = 554
    relay_recipient_maps =
    relay_transport = relay
    relayhost =
    relocated_maps =
    remote_header_rewrite_domain =
    require_home_directory = no
    resolve_dequoted_address = yes
    resolve_null_domain = no
    rewrite_service_name = rewrite
    sample_directory = /etc/postfix
    sender_based_routing = no
    sender_bcc_maps =
    sender_canonical_classes = envelope_sender, header_sender
    sender_canonical_maps =
    sendmail_path = /usr/sbin/sendmail
    service_throttle_time = 60s
    setgid_group = postdrop
    show_user_unknown_table_name = yes
    showq_service_name = showq
     
  6. baxide

    baxide New Member

    And here is part two:

    smtp_always_send_ehlo = yes
    smtp_bind_address =
    smtp_bind_address6 =
    smtp_cname_overrides_servername = yes
    smtp_connect_timeout = 30s
    smtp_connection_cache_destinations =
    smtp_connection_cache_on_demand = yes
    smtp_connection_cache_reuse_limit = 10
    smtp_connection_cache_time_limit = 2s
    smtp_data_done_timeout = 600s
    smtp_data_init_timeout = 120s
    smtp_data_xfer_timeout = 180s
    smtp_defer_if_no_mx_address_found = no
    smtp_destination_concurrency_limit = $default_destination_concurrency_limit
    smtp_destination_recipient_limit = $default_destination_recipient_limit
    smtp_discard_ehlo_keyword_address_maps =
    smtp_discard_ehlo_keywords =
    smtp_enforce_tls = no
    smtp_generic_maps =
    smtp_helo_name = $myhostname
    smtp_helo_timeout = 300s
    smtp_host_lookup = dns
    smtp_line_length_limit = 990
    smtp_mail_timeout = 300s
    smtp_mx_address_limit = 0
    smtp_mx_session_limit = 2
    smtp_never_send_ehlo = no
    smtp_pix_workaround_delay_time = 10s
    smtp_pix_workaround_threshold_time = 500s
    smtp_quit_timeout = 300s
    smtp_quote_rfc821_envelope = yes
    smtp_randomize_addresses = yes
    smtp_rcpt_timeout = 300s
    smtp_rset_timeout = 20s
    smtp_sasl_auth_enable = no
    smtp_sasl_mechanism_filter =
    smtp_sasl_password_maps =
    smtp_sasl_security_options = noplaintext, noanonymous
    smtp_sasl_tls_security_options = $var_smtp_sasl_opts
    smtp_send_xforward_command = no
    smtp_skip_5xx_greeting = yes
    smtp_skip_quit_response = yes
    smtp_starttls_timeout = 300s
    smtp_tls_CAfile =
    smtp_tls_CApath =
    smtp_tls_cert_file =
    smtp_tls_cipherlist =
    smtp_tls_dcert_file =
    smtp_tls_dkey_file = $smtp_tls_dcert_file
    smtp_tls_enforce_peername = yes
    smtp_tls_key_file = $smtp_tls_cert_file
    smtp_tls_loglevel = 0
    smtp_tls_note_starttls_offer = no
    smtp_tls_per_site =
    smtp_tls_scert_verifydepth = 5
    smtp_tls_session_cache_database =
    smtp_tls_session_cache_timeout = 3600s
    smtp_use_tls = no
    smtp_xforward_timeout = 300s
    smtpd_authorized_verp_clients = $authorized_verp_clients
    smtpd_authorized_xclient_hosts =
    smtpd_authorized_xforward_hosts =
    smtpd_banner = $myhostname ESMTP $mail_name
    smtpd_client_connection_count_limit = 50
    smtpd_client_connection_rate_limit = 0
    smtpd_client_event_limit_exceptions = ${smtpd_client_connection_limit_exceptions:$mynetworks}
    smtpd_client_message_rate_limit = 0
    smtpd_client_recipient_rate_limit = 0
    smtpd_client_restrictions =
    smtpd_data_restrictions =
    smtpd_delay_reject = yes
    smtpd_discard_ehlo_keyword_address_maps =
    smtpd_discard_ehlo_keywords =
    smtpd_end_of_data_restrictions =
    smtpd_enforce_tls = no
    smtpd_error_sleep_time = 1s
    smtpd_etrn_restrictions =
    smtpd_expansion_filter = \t\40!"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~
    smtpd_forbidden_commands = CONNECT GET POST
    smtpd_hard_error_limit = 20
    smtpd_helo_required = no
    smtpd_helo_restrictions =
    smtpd_history_flush_threshold = 100
    smtpd_junk_command_limit = 100
    smtpd_noop_commands =
    smtpd_null_access_lookup_key = <>
    smtpd_policy_service_max_idle = 300s
    smtpd_policy_service_max_ttl = 1000s
    smtpd_policy_service_timeout = 100s
    smtpd_proxy_ehlo = $myhostname
    smtpd_proxy_filter =
    smtpd_proxy_timeout = 100s
    smtpd_recipient_limit = 1000
    smtpd_recipient_overshoot_limit = 1000
    smtpd_recipient_restrictions = permit_mynetworks, reject_unauth_destination
    smtpd_reject_unlisted_recipient = yes
    smtpd_reject_unlisted_sender = no
    smtpd_restriction_classes =
    smtpd_sasl_application_name = smtpd
    smtpd_sasl_auth_enable = no
    smtpd_sasl_exceptions_networks =
    smtpd_sasl_local_domain =
    smtpd_sasl_security_options = noanonymous
    smtpd_sasl_tls_security_options = $smtpd_sasl_security_options
    smtpd_sender_login_maps =
    smtpd_sender_restrictions =
    smtpd_soft_error_limit = 10
    smtpd_starttls_timeout = 300s
    smtpd_timeout = 300s
    smtpd_tls_CAfile =
    smtpd_tls_CApath =
    smtpd_tls_ask_ccert = no
    smtpd_tls_auth_only = no
    smtpd_tls_ccert_verifydepth = 5
    smtpd_tls_cert_file =
    smtpd_tls_cipherlist =
    smtpd_tls_dcert_file =
    smtpd_tls_dh1024_param_file =
    smtpd_tls_dh512_param_file =
    smtpd_tls_dkey_file = $smtpd_tls_dcert_file
    smtpd_tls_key_file = $smtpd_tls_cert_file
    smtpd_tls_loglevel = 0
    smtpd_tls_received_header = no
    smtpd_tls_req_ccert = no
    smtpd_tls_session_cache_database =
    smtpd_tls_session_cache_timeout = 3600s
    smtpd_tls_wrappermode = no
    smtpd_use_tls = no
    soft_bounce = no
    stale_lock_time = 500s
    strict_7bit_headers = no
    strict_8bitmime = no
    strict_8bitmime_body = no
    strict_mime_encoding_domain = no
    strict_rfc821_envelopes = no
    sun_mailtool_compatibility = no
    swap_bangpath = yes
    syslog_facility = mail
    syslog_name = postfix
    tls_daemon_random_bytes = 32
    tls_random_bytes = 32
    tls_random_exchange_name = ${config_directory}/prng_exch
    tls_random_prng_update_period = 3600s
    tls_random_reseed_period = 3600s
    tls_random_source = dev:/dev/urandom
    trace_service_name = trace
    transport_maps =
    transport_retry_time = 60s
    trigger_timeout = 10s
    undisclosed_recipients_header = To: undisclosed-recipients:;
    unknown_address_reject_code = 450
    unknown_client_reject_code = 450
    unknown_hostname_reject_code = 450
    unknown_local_recipient_reject_code = 550
    unknown_relay_recipient_reject_code = 550
    unknown_virtual_alias_reject_code = 550
    unknown_virtual_mailbox_reject_code = 550
    unverified_recipient_reject_code = 450
    unverified_sender_reject_code = 450
    verp_delimiter_filter = -=+
    virtual_alias_domains = $virtual_alias_maps
    virtual_alias_expansion_limit = 1000
    virtual_alias_maps = $virtual_maps
    virtual_alias_recursion_limit = 1000
    virtual_destination_concurrency_limit = $default_destination_concurrency_limit
    virtual_destination_recipient_limit = $default_destination_recipient_limit
    virtual_gid_maps =
    virtual_mailbox_base =
    virtual_mailbox_domains = $virtual_mailbox_maps
    virtual_mailbox_limit = 51200000
    virtual_mailbox_lock = fcntl
    virtual_mailbox_maps =
    virtual_minimum_uid = 100
    virtual_transport = virtual
    virtual_uid_maps =
     
  7. falko

    falko Super Moderator ISPConfig Developer

    I think the problem is
    Code:
    mydestination = $myhostname, localhost.[B][COLOR="Red"]$mydomain[/COLOR][/B], localhost
    mydomain = ceit.at
    localhost.$mydomain translates to localhost.ceit.at. Please run
    Code:
    postconf -e 'mydestination = $myhostname, localhost.localdomain, localhost'
    /etc/init.d/postfix restart
     

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