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Verification failed error

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  • Aniruddha
    Hi, Most of my mails are delivered and send without problems. However some domains reject e-mails with the error message below. What can I do to fix this? Is
    Message 1 of 8 , Sep 2, 2010
      Hi,

      Most of my mails are delivered and send without problems. However
      some domains reject e-mails with the error message below. What can I
      do to fix this? Is this a DNS error? Or a postfix config problem?
      Thanks in advance!

      <>: host mxb.mail.widexs.nl[213.206.122.196] said:
      550-Verification failed for <info@...> 550-It appears that
      the DNS operator for redmijncomputer.nl 550-has installed an invalid MX
      record with an IP address 550-instead of a domain name on the right hand
      side. 550 Sender verify failed (in reply to RCPT TO command)

      # cat /etc/hosts
      127.0.0.1 localhost
      127.0.1.1 mail.redmijncomputer.nl
      192.168.1.101 mail.redmijncomputer.nl

      # The following lines are desirable for IPv6 capable hosts
      ::1 localhost ip6-localhost ip6-loopback
      fe00::0 ip6-localnet
      ff00::0 ip6-mcastprefix
      ff02::1 ip6-allnodes
      ff02::2 ip6-allrouters
      ff02::3 ip6-allhosts

      # postconf -n
      alias_database = hash:/etc/aliases
      alias_maps = hash:/etc/aliases
      append_dot_mydomain = no
      biff = no
      config_directory = /etc/postfix
      content_filter = amavisfeed:[127.0.0.1]:10024
      delay_warning_time = 4h
      inet_interfaces = all
      mailbox_command = procmail -a "$EXTENSION"
      mailbox_size_limit = 0
      mailbox_transport = zarafa:
      mydestination = redmijncomputer.nl, Desktop-1, localhost.localdomain, localhost
      myhostname = mail.redmijncomputer.nl
      mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
      myorigin = /etc/mailname
      readme_directory = no
      recipient_delimiter = +
      relay_domains = redmijncomputer.nl
      relayhost =
      smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
      smtpd_banner = $myhostname ESMTP $mail_name
      smtpd_tls_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem
      smtpd_tls_key_file = /etc/ssl/private/ssl-cert-snakeoil.key
      smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
      smtpd_use_tls = yes
      virtual_alias_maps = mysql:/etc/postfix/mysql-aliases.cf
    • Ralf Hildebrandt
      ... $ host -t mx redmijncomputer.nl redmijncomputer.nl mail is handled by 10 95.97.73.154. It should be mail.redmijncomputer.nl instead of 95.97.73.154 -- Ralf
      Message 2 of 8 , Sep 2, 2010
        * Aniruddha <mailingdotlist@...>:
        > Hi,
        >
        > Most of my mails are delivered and send without problems. However
        > some domains reject e-mails with the error message below. What can I
        > do to fix this? Is this a DNS error? Or a postfix config problem?
        > Thanks in advance!
        >
        > <>: host mxb.mail.widexs.nl[213.206.122.196] said:
        > 550-Verification failed for <info@...> 550-It appears that
        > the DNS operator for redmijncomputer.nl 550-has installed an invalid MX
        > record with an IP address 550-instead of a domain name on the right hand
        > side. 550 Sender verify failed (in reply to RCPT TO command)

        $ host -t mx redmijncomputer.nl
        redmijncomputer.nl mail is handled by 10 95.97.73.154.

        It should be mail.redmijncomputer.nl instead of 95.97.73.154
        --
        Ralf Hildebrandt
        Geschäftsbereich IT | Abteilung Netzwerk
        Charité - Universitätsmedizin Berlin
        Campus Benjamin Franklin
        Hindenburgdamm 30 | D-12203 Berlin
        Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
        ralf.hildebrandt@... | http://www.charite.de
      • Aniruddha
        On Thu, Sep 2, 2010 at 9:58 AM, Ralf Hildebrandt ... Thank you for your quick reply. I ll ask my hosting company to fix this. This means that my configuration
        Message 3 of 8 , Sep 2, 2010
          On Thu, Sep 2, 2010 at 9:58 AM, Ralf Hildebrandt
          <Ralf.Hildebrandt@...> wrote:

          > $ host -t mx redmijncomputer.nl
          > redmijncomputer.nl mail is handled by 10 95.97.73.154.
          >
          > It should be mail.redmijncomputer.nl instead of 95.97.73.154
          > --
          Thank you for your quick reply. I'll ask my hosting company to fix
          this. This means that my configuration is ok and that this problem is
          a DNS error?
        • Ralf Hildebrandt
          ... I consider a DNS error to be a configuration error. -- Ralf Hildebrandt Geschäftsbereich IT | Abteilung Netzwerk Charité - Universitätsmedizin Berlin
          Message 4 of 8 , Sep 2, 2010
            * Aniruddha <mailingdotlist@...>:
            > On Thu, Sep 2, 2010 at 9:58 AM, Ralf Hildebrandt
            > <Ralf.Hildebrandt@...> wrote:
            >
            > > $ host -t mx redmijncomputer.nl
            > > redmijncomputer.nl mail is handled by 10 95.97.73.154.
            > >
            > > It should be mail.redmijncomputer.nl instead of 95.97.73.154
            > > --
            > Thank you for your quick reply. I'll ask my hosting company to fix
            > this. This means that my configuration is ok and that this problem is
            > a DNS error?

            I consider a DNS error to be a configuration error.

            --
            Ralf Hildebrandt
            Geschäftsbereich IT | Abteilung Netzwerk
            Charité - Universitätsmedizin Berlin
            Campus Benjamin Franklin
            Hindenburgdamm 30 | D-12203 Berlin
            Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
            ralf.hildebrandt@... | http://www.charite.de
          • Aniruddha
            On Thu, Sep 2, 2010 at 10:08 AM, Ralf Hildebrandt ... That is true :) I meant that there is no error in my postfix configuration. This error needs to be solved
            Message 5 of 8 , Sep 2, 2010
              On Thu, Sep 2, 2010 at 10:08 AM, Ralf Hildebrandt
              <Ralf.Hildebrandt@...> wrote:
              > I consider a DNS error to be a configuration error.
              >

              That is true :) I meant that there is no error in my postfix
              configuration. This error needs to be solved by the person providing
              the DNS server for my domain (in my case the hosting provider)
            • Aniruddha
              On Thu, Sep 2, 2010 at 10:15 AM, Ralf Hildebrandt ... You have been a great help, thank you!
              Message 6 of 8 , Sep 2, 2010
                On Thu, Sep 2, 2010 at 10:15 AM, Ralf Hildebrandt
                <Ralf.Hildebrandt@...> wrote:
                >>
                >> That is true :) I meant that there is no error in my postfix
                >> configuration. This error needs to be solved by the person providing
                >> the DNS server for my domain (in my case the hosting provider)
                >
                > Yep
                >

                You have been a great help, thank you!
              • Aniruddha
                Message 7 of 8 , Sep 2, 2010
                  On Thu, Sep 2, 2010 at 10:21 AM, Aniruddha <mailingdotlist@...> wrote:
                  > On Thu, Sep 2, 2010 at 10:15 AM, Ralf Hildebrandt
                  > <Ralf.Hildebrandt@...> wrote:
                  >>>
                  >>> That is true :) I meant that there is no error in my postfix
                  >>> configuration. This error needs to be solved by the person providing
                  >>> the DNS server for my domain (in my case the hosting provider)
                  >>
                  >> Yep
                  >>
                  >
                  > You have been a great help, thank you!
                • Tom Kinghorn
                  ... classic :o)
                  Message 8 of 8 , Sep 2, 2010
                    On 2010/09/02 10:24 AM, Aniruddha wrote:
                    > On Thu, Sep 2, 2010 at 10:21 AM, Aniruddha<mailingdotlist@...> wrote:
                    >> On Thu, Sep 2, 2010 at 10:15 AM, Ralf Hildebrandt
                    >> <Ralf.Hildebrandt@...> wrote:
                    >>>> That is true :) I meant that there is no error in my postfix
                    >>>> configuration. This error needs to be solved by the person providing
                    >>>> the DNS server for my domain (in my case the hosting provider)
                    >>> Yep
                    >>>
                    >> You have been a great help, thank you!
                    classic :o)
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