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  1. Novo em Linux/Postfix

    Bom dia amigos, sou um analista ms e cisco, e estou me dedicando ao linux agora pois sei que um verdadeiro profissional nao defende bandeiras, ele tem que fazer o melhor no que há para sua empresa e alguns sistemas sao melhores que outros...

    O problema;
    De uma semana pra ca comecei a futucar alguns mtas, vi que o sendmail é muito engessado e pulei pro postfix, estou fazendo um laboratorio em casa porém, estou sem sucesso.

    Estou com um dos problemas ou meu MX ta configurado errado ou meu postfix ta errado, a questão que nao to conseguindo identificar.
    quando tento enviar email com o comando mail ou por telnet usando o Helo e me manda essa msg aqui;

    Jan 11 16:06:25 localhost postfix/smtp[2694]: F1E4B120236: to=<felipe@mendes.tk>, relay=srvmail.mendes.tk[189.106.128.41]:25, delay=0.62, delays=0.01/0/0.61/0, dsn=5.4.6, status=bounced (mail for mendes.tk loops back to myself)
    segue dados
    Meu dominio é o MENDES.TK
    estou usando como gerenciado o AFRAID.ORG
    estou usando ddns no meu roteador que é ACESSO.DLINKDDNS.COM

    Meus registros no AFRAID.ORG sao;
    mendes.tk (G) MX 10:smtp.mendes.tk
    email.mendes.tk (G) CNAME acesso.dlinkddns.com
    smtp.mendes.tk (G) A 208.69.32.145

    Esse é meu main.cf e hosts
    myhostname = smtp.mendes.tk
    #myhostname = felipemendes.no-ip.info

    #
    mydomain = mendes.tk

    #
    #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

    # The proxy_interfaces parameter specifies the network interface
    # addresses that this mail system receives mail on by way of a
    # proxy or network address translation unit. This setting extends
    # the address list specified with the inet_interfaces parameter.
    #
    # You must specify your proxy/NAT addresses when your system is a
    # backup MX host for other domains, otherwise mail delivery loops
    # will happen when the primary MX host is down.
    #
    #proxy_interfaces =
    #proxy_interfaces = 1.2.3.4

    # The mydestination parameter specifies the list of domains that this
    # machine considers itself the final destination for.
    #
    # These domains are routed to the delivery agent specified with the
    # local_transport parameter setting. By default, that is the UNIX
    # compatible delivery agent that lookups all recipients in /etc/passwd
    # and /etc/aliases or their equivalent.
    #
    # The default is $myhostname + localhost.$mydomain. On a mail domain
    # gateway, you should also include $mydomain.
    #
    # Do not specify the names of virtual domains - those domains are
    # specified elsewhere (see VIRTUAL_README).
    #
    # Do not specify the names of domains that this machine is backup MX
    # host for. Specify those names via the relay_domains settings for
    # the SMTP server, or use permit_mx_backup if you are lazy (see
    # STANDARD_CONFIGURATION_README).
    #
    # The local machine is always the final destination for mail addressed
    # to user@[the.net.work.address] of an interface that the mail system
    # receives mail on (see the inet_interfaces parameter).
    #
    # Specify a list of host or domain names, /file/name or type:table
    # patterns, separated by commas and/or whitespace. A /file/name
    # pattern is replaced by its contents; a type:table is matched when
    # a name matches a lookup key (the right-hand side is ignored).
    # Continue long lines by starting the next line with whitespace.
    #
    # See also below, section "REJECTING MAIL FOR UNKNOWN LOCAL USERS".
    #
    mydestination = $myhostname, localhost.$mydomain, localhost,
    #mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain
    #mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain,
    # mail.$mydomain, www.$mydomain, ftp.$mydomain

    # REJECTING MAIL FOR UNKNOWN LOCAL USERS
    #
    # The local_recipient_maps parameter specifies optional lookup tables
    # with all names or addresses of users that are local with respect
    # to $mydestination, $inet_interfaces or $proxy_interfaces.
    #
    # If this parameter is defined, then the SMTP server will reject
    # mail for unknown local users. This parameter is defined by default.
    #
    # To turn off local recipient checking in the SMTP server, specify
    # local_recipient_maps = (i.e. empty).
    #
    # The default setting assumes that you use the default Postfix local
    # delivery agent for local delivery. You need to update the
    # local_recipient_maps setting if:
    #
    # - You define $mydestination domain recipients in files other than
    # /etc/passwd, /etc/aliases, or the $virtual_alias_maps files.
    # For example, you define $mydestination domain recipients in
    # the $virtual_mailbox_maps files.
    #
    # - You redefine the local delivery agent in master.cf.
    #
    # - You redefine the "local_transport" setting in main.cf.
    #
    # - You use the "luser_relay", "mailbox_transport", or "fallback_transport"
    # feature of the Postfix local delivery agent (see local(8)).
    [/quote]

    127.0.0.1 localhost.localdomain localhost
    Ja tentei de tudo. se alguem puder me ajudar vou ficar feliz pra cacete.

    Valeu

  2. Comenta a linha myhostname = smtp.mendes.tk tive um problema desses aqui na empresa e depois de muito pesquisar e alterar isso resolveu meu problema.






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