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Re: Can't send mails but I can receive

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  • Noel Jones
    ... The above message says the server at 202.107.110.18 refused to relay the message, but gives no indication of why. Some context would help. Why are you
    Message 1 of 12 , Sep 10, 2013
      On 9/9/2013 9:46 PM, Chris wrote:
      > Hello,
      >
      > if I send from a public mail service like gmail etc. to my server, I
      > get the email.
      > Then I reply to this one and I this message will never arrive.
      > Sometimes I get an error mail like:
      >
      > <vip4@...>: host service.com[202.107.110.18] said: 554 5.7.1
      > <vip4@...>: Relay access denied (in reply to RCPT TO command)

      The above message says the server at 202.107.110.18 refused to relay
      the message, but gives no indication of why. Some context would
      help. Why are you sending mail to this server?


      >
      > In the syslog when sending an email to a public mail service I find
      > this one:
      >
      > Sep 9 22:38:53 nudin1 postfix/smtpd[8648]: connect from
      > unknown[148.172.15.55]
      > Sep 9 22:38:55 nudin1 postfix/smtpd[8648]: 2723F12E00A3:
      > client=unknown[148.172.15.55], sasl_method=PLAIN,
      > sasl_username=info@...
      > Sep 9 22:38:55 nudin1 postfix/cleanup[7756]: 2723F12E00A3:
      > message-id=<522E863A.1000200@...>
      > Sep 9 22:38:55 nudin1 postfix/qmgr[1344]: 2723F12E00A3:
      > from=<info@...>, size=474, nrcpt=1 (queue active)
      > Sep 9 22:38:56 nudin1 postfix/smtpd[8648]: disconnect from
      > unknown[148.172.15.55]
      > Sep 9 22:38:57 nudin1 postfix/smtpd[8658]: connect from
      > localhost[127.0.0.1]
      > Sep 9 22:38:57 nudin1 postfix/smtpd[8658]: 7C75B12E00A4:
      > client=localhost[127.0.0.1]
      > Sep 9 22:38:57 nudin1 postfix/cleanup[7756]: 7C75B12E00A4:
      > message-id=<522E863A.1000200@...>
      > Sep 9 22:38:57 nudin1 postfix/smtpd[8658]: disconnect from
      > localhost[127.0.0.1]
      > Sep 9 22:38:57 nudin1 postfix/qmgr[1344]: 7C75B12E00A4:
      > from=<info@...>, size=900, nrcpt=1 (queue active)
      > Sep 9 22:38:57 nudin1 amavis[792]: (00792-04) Passed CLEAN,
      > [148.172.15.55] <info@...> -> <privateuser@...>,
      > Message-ID: <522E863A.1000200@...>, mail_id: E1oH7KsZ3znA,
      > Hits: -0.002, size: 474, queued_as: 7C75B12E00A4, 1713 ms
      > Sep 9 22:38:57 nudin1 postfix/smtp[8654]: 2723F12E00A3:
      > to=<privateuser@...>, relay=127.0.0.1[127.0.0.1]:10024,
      > delay=2.9, delays=1.2/0/0/1.7, dsn=2.0.0, status=sent (250 2.0.0
      > from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as 7C75B12E00A4)
      > Sep 9 22:38:57 nudin1 postfix/qmgr[1344]: 2723F12E00A3: removed

      This appears to be a perfectly normal sequence of postfix receiving
      mail from a SASL authenticated client, then postfix filtering the
      mail through amavisd-new. Is there something here you're not expecting?


      >
      > What could that be?

      If you need more help, please see:
      http://www.postfix.org/DEBUG_README.html#mail




      -- Noel Jones
    • Chris
      Hello, I checked it now again. domain1 is on my server (vps, postfix + dovecot). I can send and receive from user@domain1.com to user2@domain1.com - no problem
      Message 2 of 12 , Sep 12, 2013
        Hello,

        I checked it now again.

        domain1 is on my server (vps, postfix + dovecot).
        I can send and receive from user@... to user2@... - no
        problem at all.

        Now I tried to send from user@... to a public freemailer (the
        one I'm using here):

        Sep 12 04:57:02 nudin1 postfix/smtpd[29097]: CD5F712E00AC:
        client=unknown[123.88.179.125], sasl_method=PLAIN,
        sasl_username=info@...
        Sep 12 04:57:03 nudin1 postfix/cleanup[28418]: CD5F712E00AC:
        message-id=<523181D6.8030604@...>
        Sep 12 04:57:04 nudin1 postfix/qmgr[1297]: CD5F712E00AC:
        from=<info@...>, size=304, nrcpt=1 (queue active)
        Sep 12 04:57:04 nudin1 postfix/smtpd[29097]: disconnect from
        unknown[123.88.179.125]
        Sep 12 04:57:06 nudin1 postfix/smtpd[29109]: connect from
        localhost[127.0.0.1]
        Sep 12 04:57:06 nudin1 postfix/smtpd[29109]: D57D812E00AF:
        client=localhost[127.0.0.1]
        Sep 12 04:57:06 nudin1 postfix/cleanup[28418]: D57D812E00AF:
        message-id=<523181D6.8030604@...>
        Sep 12 04:57:06 nudin1 postfix/qmgr[1297]: D57D812E00AF:
        from=<info@...>, size=726, nrcpt=1 (queue active)
        Sep 12 04:57:06 nudin1 postfix/smtpd[29109]: disconnect from
        localhost[127.0.0.1]
        Sep 12 04:57:06 nudin1 amavis[732]: (00732-14) Passed CLEAN,
        [123.88.179.125] <info@...> -> <spamonme@...>, Message-ID:
        <523181D6.8030604@...>, mail_id: inH6RjFFgZyS, Hits: -0.001,
        size: 304, queued_as: D57D812E00AF, 2728 ms
        Sep 12 04:57:06 nudin1 postfix/smtp[29106]: CD5F712E00AC:
        to=<spamonme@...>, relay=127.0.0.1[127.0.0.1]:10024, delay=4.6,
        delays=1.9/0.01/0/2.7, dsn=2.0.0, status=sent (250 2.0.0 from
        MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as D57D812E00AF)
        Sep 12 04:57:06 nudin1 postfix/qmgr[1297]: CD5F712E00AC: removed
        Sep 12 04:57:06 nudin1 postfix/smtp[29110]: connect to
        freenet.de[62.104.23.42]:25: Connection refused
        Sep 12 04:57:06 nudin1 postfix/smtp[29110]: D57D812E00AF:
        to=<spamonme@...>, relay=none, delay=0.08,
        delays=0.01/0.01/0.06/0, dsn=4.4.1, status=deferred (connect to
        freenet.de[62.104.23.42]:25: Connection refused)

        But I can't look into the log file from freenet.de - it just seems as if
        the server is refusing me for a reason .. I don't know?

        So how can I find out why my server gets refused from some servers (but
        not from itself)?

        Thanks,
        Chris



        Am 10.09.2013 19:16, schrieb Noel Jones:
        > On 9/9/2013 9:46 PM, Chris wrote:
        >> Hello,
        >>
        >> if I send from a public mail service like gmail etc. to my server, I
        >> get the email.
        >> Then I reply to this one and I this message will never arrive.
        >> Sometimes I get an error mail like:
        >>
        >> <vip4@...>: host service.com[202.107.110.18] said: 554 5.7.1
        >> <vip4@...>: Relay access denied (in reply to RCPT TO command)
        >
        > The above message says the server at 202.107.110.18 refused to relay
        > the message, but gives no indication of why. Some context would
        > help. Why are you sending mail to this server?
        >
        >
        >>
        >> In the syslog when sending an email to a public mail service I find
        >> this one:
        >>
        >> Sep 9 22:38:53 nudin1 postfix/smtpd[8648]: connect from
        >> unknown[148.172.15.55]
        >> Sep 9 22:38:55 nudin1 postfix/smtpd[8648]: 2723F12E00A3:
        >> client=unknown[148.172.15.55], sasl_method=PLAIN,
        >> sasl_username=info@...
        >> Sep 9 22:38:55 nudin1 postfix/cleanup[7756]: 2723F12E00A3:
        >> message-id=<522E863A.1000200@...>
        >> Sep 9 22:38:55 nudin1 postfix/qmgr[1344]: 2723F12E00A3:
        >> from=<info@...>, size=474, nrcpt=1 (queue active)
        >> Sep 9 22:38:56 nudin1 postfix/smtpd[8648]: disconnect from
        >> unknown[148.172.15.55]
        >> Sep 9 22:38:57 nudin1 postfix/smtpd[8658]: connect from
        >> localhost[127.0.0.1]
        >> Sep 9 22:38:57 nudin1 postfix/smtpd[8658]: 7C75B12E00A4:
        >> client=localhost[127.0.0.1]
        >> Sep 9 22:38:57 nudin1 postfix/cleanup[7756]: 7C75B12E00A4:
        >> message-id=<522E863A.1000200@...>
        >> Sep 9 22:38:57 nudin1 postfix/smtpd[8658]: disconnect from
        >> localhost[127.0.0.1]
        >> Sep 9 22:38:57 nudin1 postfix/qmgr[1344]: 7C75B12E00A4:
        >> from=<info@...>, size=900, nrcpt=1 (queue active)
        >> Sep 9 22:38:57 nudin1 amavis[792]: (00792-04) Passed CLEAN,
        >> [148.172.15.55] <info@...> -> <privateuser@...>,
        >> Message-ID: <522E863A.1000200@...>, mail_id: E1oH7KsZ3znA,
        >> Hits: -0.002, size: 474, queued_as: 7C75B12E00A4, 1713 ms
        >> Sep 9 22:38:57 nudin1 postfix/smtp[8654]: 2723F12E00A3:
        >> to=<privateuser@...>, relay=127.0.0.1[127.0.0.1]:10024,
        >> delay=2.9, delays=1.2/0/0/1.7, dsn=2.0.0, status=sent (250 2.0.0
        >> from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as 7C75B12E00A4)
        >> Sep 9 22:38:57 nudin1 postfix/qmgr[1344]: 2723F12E00A3: removed
        >
        > This appears to be a perfectly normal sequence of postfix receiving
        > mail from a SASL authenticated client, then postfix filtering the
        > mail through amavisd-new. Is there something here you're not expecting?
        >
        >
        >>
        >> What could that be?
        >
        > If you need more help, please see:
        > http://www.postfix.org/DEBUG_README.html#mail
        >
        >
        >
        >
        > -- Noel Jones
        >
        >
      • Noel Jones
        ... connection refused is a network problem, probably a firewall block. Perhaps your ISP doesn t allow you to run a mail server? -- Noel Jones
        Message 3 of 12 , Sep 12, 2013
          On 9/12/2013 4:18 AM, Chris wrote:
          > Hello,
          >
          > I checked it now again.
          >
          > domain1 is on my server (vps, postfix + dovecot).
          > I can send and receive from user@... to user2@... -
          > no problem at all.
          >
          > Now I tried to send from user@... to a public freemailer
          > (the one I'm using here):
          >
          > Sep 12 04:57:06 nudin1 postfix/smtp[29110]: connect to
          > freenet.de[62.104.23.42]:25: Connection refused

          connection refused is a network problem, probably a firewall block.
          Perhaps your ISP doesn't allow you to run a mail server?


          -- Noel Jones


          > Sep 12 04:57:06 nudin1 postfix/smtp[29110]: D57D812E00AF:
          > to=<spamonme@...>, relay=none, delay=0.08,
          > delays=0.01/0.01/0.06/0, dsn=4.4.1, status=deferred (connect to
          > freenet.de[62.104.23.42]:25: Connection refused)
          >
          > But I can't look into the log file from freenet.de - it just seems
          > as if the server is refusing me for a reason .. I don't know?
          >
          > So how can I find out why my server gets refused from some servers
          > (but not from itself)?
          >
          > Thanks,
          > Chris
          >
          >
          >
          > Am 10.09.2013 19:16, schrieb Noel Jones:
          >> On 9/9/2013 9:46 PM, Chris wrote:
          >>> Hello,
          >>>
          >>> if I send from a public mail service like gmail etc. to my server, I
          >>> get the email.
          >>> Then I reply to this one and I this message will never arrive.
          >>> Sometimes I get an error mail like:
          >>>
          >>> <vip4@...>: host service.com[202.107.110.18] said: 554 5.7.1
          >>> <vip4@...>: Relay access denied (in reply to RCPT TO
          >>> command)
          >>
          >> The above message says the server at 202.107.110.18 refused to relay
          >> the message, but gives no indication of why. Some context would
          >> help. Why are you sending mail to this server?
          >>
          >>
          >>>
          >>> In the syslog when sending an email to a public mail service I find
          >>> this one:
          >>>
          >>> Sep 9 22:38:53 nudin1 postfix/smtpd[8648]: connect from
          >>> unknown[148.172.15.55]
          >>> Sep 9 22:38:55 nudin1 postfix/smtpd[8648]: 2723F12E00A3:
          >>> client=unknown[148.172.15.55], sasl_method=PLAIN,
          >>> sasl_username=info@...
          >>> Sep 9 22:38:55 nudin1 postfix/cleanup[7756]: 2723F12E00A3:
          >>> message-id=<522E863A.1000200@...>
          >>> Sep 9 22:38:55 nudin1 postfix/qmgr[1344]: 2723F12E00A3:
          >>> from=<info@...>, size=474, nrcpt=1 (queue active)
          >>> Sep 9 22:38:56 nudin1 postfix/smtpd[8648]: disconnect from
          >>> unknown[148.172.15.55]
          >>> Sep 9 22:38:57 nudin1 postfix/smtpd[8658]: connect from
          >>> localhost[127.0.0.1]
          >>> Sep 9 22:38:57 nudin1 postfix/smtpd[8658]: 7C75B12E00A4:
          >>> client=localhost[127.0.0.1]
          >>> Sep 9 22:38:57 nudin1 postfix/cleanup[7756]: 7C75B12E00A4:
          >>> message-id=<522E863A.1000200@...>
          >>> Sep 9 22:38:57 nudin1 postfix/smtpd[8658]: disconnect from
          >>> localhost[127.0.0.1]
          >>> Sep 9 22:38:57 nudin1 postfix/qmgr[1344]: 7C75B12E00A4:
          >>> from=<info@...>, size=900, nrcpt=1 (queue active)
          >>> Sep 9 22:38:57 nudin1 amavis[792]: (00792-04) Passed CLEAN,
          >>> [148.172.15.55] <info@...> -> <privateuser@...>,
          >>> Message-ID: <522E863A.1000200@...>, mail_id: E1oH7KsZ3znA,
          >>> Hits: -0.002, size: 474, queued_as: 7C75B12E00A4, 1713 ms
          >>> Sep 9 22:38:57 nudin1 postfix/smtp[8654]: 2723F12E00A3:
          >>> to=<privateuser@...>, relay=127.0.0.1[127.0.0.1]:10024,
          >>> delay=2.9, delays=1.2/0/0/1.7, dsn=2.0.0, status=sent (250 2.0.0
          >>> from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as 7C75B12E00A4)
          >>> Sep 9 22:38:57 nudin1 postfix/qmgr[1344]: 2723F12E00A3: removed
          >>
          >> This appears to be a perfectly normal sequence of postfix receiving
          >> mail from a SASL authenticated client, then postfix filtering the
          >> mail through amavisd-new. Is there something here you're not
          >> expecting?
          >>
          >>
          >>>
          >>> What could that be?
          >>
          >> If you need more help, please see:
          >> http://www.postfix.org/DEBUG_README.html#mail
          >>
          >>
          >>
          >>
          >> -- Noel Jones
          >>
          >>
        • Jan P. Kessler
          ... Something is wrong with your DNS resolution. freenet.de[62.104.23.42] is not the correct MX for @freenet.de: # host -t mx freenet.de freenet.de mail is
          Message 4 of 12 , Sep 12, 2013
            > > Sep 12 04:57:06 nudin1 postfix/smtp[29110]: connect to
            > > freenet.de[62.104.23.42]:25: Connection refused
            >
            > connection refused is a network problem, probably a firewall block.
            > Perhaps your ISP doesn't allow you to run a mail server?

            Something is wrong with your DNS resolution. freenet.de[62.104.23.42] is
            not the correct MX for @...:

            # host -t mx freenet.de
            freenet.de mail is handled by 1 mx.freenet.de.

            # host mx.freenet.de
            mx.freenet.de has address 195.4.92.211
            mx.freenet.de has address 195.4.92.9
            mx.freenet.de has IPv6 address 2001:748:100:40::8:111
            mx.freenet.de has IPv6 address 2001:748:100:40::8:110
          • Wietse Venema
            ... Well spotted. Apparently he uses A lookup instead of MX lookup. This is a definite no-no for email. % dig a freenet.de ... freenet.de. 300
            Message 5 of 12 , Sep 12, 2013
              Jan P. Kessler:
              > > > Sep 12 04:57:06 nudin1 postfix/smtp[29110]: connect to
              > > > freenet.de[62.104.23.42]:25: Connection refused
              > >
              > > connection refused is a network problem, probably a firewall block.
              > > Perhaps your ISP doesn't allow you to run a mail server?
              >
              > Something is wrong with your DNS resolution. freenet.de[62.104.23.42] is
              > not the correct MX for @...:

              Well spotted. Apparently he uses A lookup instead of MX lookup.
              This is a definite no-no for email.

              % dig a freenet.de
              ...
              freenet.de. 300 IN A 62.104.23.42

              Wietse
            • Chris
              Hello Jan, Wietse, thank you very much - so it s not about Postfix but about my DNS setup. I ll change that in my zone settings. Hope it works after this. :)
              Message 6 of 12 , Sep 12, 2013
                Hello Jan, Wietse,

                thank you very much - so it's not about Postfix but about my DNS setup.

                I'll change that in my zone settings.

                Hope it works after this. :)

                Bye, Chris


                Am 13.09.2013 01:16, schrieb Jan P. Kessler:
                >
                >>> Sep 12 04:57:06 nudin1 postfix/smtp[29110]: connect to
                >>> freenet.de[62.104.23.42]:25: Connection refused
                >>
                >> connection refused is a network problem, probably a firewall block.
                >> Perhaps your ISP doesn't allow you to run a mail server?
                >
                > Something is wrong with your DNS resolution. freenet.de[62.104.23.42] is
                > not the correct MX for @...:
                >
                > # host -t mx freenet.de
                > freenet.de mail is handled by 1 mx.freenet.de.
                >
                > # host mx.freenet.de
                > mx.freenet.de has address 195.4.92.211
                > mx.freenet.de has address 195.4.92.9
                > mx.freenet.de has IPv6 address 2001:748:100:40::8:111
                > mx.freenet.de has IPv6 address 2001:748:100:40::8:110
                >
                >
                >
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