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  • Can't send mail to hotmail account only

    Hi,


    I have sbs 2003 server and I configured for exchange server. I have no dns Issue, It's working fine, I able sent & reacine mail to any domain excepte HOtmail.com & live.com users. what's problem is there going on.

    our serfver ip is not in public spam database. This issue is only for Hoemail.com & live .com

    Here I am posting one sample of failer mail.


    --------------------------------------------------------------------------------------------------------
    Your message did not reach some or all of the intended recipients.
    Subject: FW: SPF Record Help
    Sent: 07/09/2007 9:27 PM
    The following recipient(s) could not be reached:
    [email protected] on 07/09/2007 9:28 PM
    There was a SMTP communication problem with the recipient's email server. Please contact your system administrator.
    <mydomainname.com = #5.5.0 smtp;550 Your e-mail was rejected for policy reasons on this gateway. Reasons for rejection may be related to content with spam-like characteristics or IP/domain reputation problems. If you are not an e-mail/network admin please contact your E-mail/Internet Service Provider for help. For e-mail delivery information, please go to http://postmaster.live.com>
    --------------------------------------------------------------------------------------------------------


    Thanks in Advance
    Last edited by Havd; 9th September 2007, 09:57.

  • #2
    Re: Can't send mail to hotmail account only

    Did the email you send to Hotmail have any attachments?
    1 1 was a racehorse.
    2 2 was 1 2.
    1 1 1 1 race 1 day,
    2 2 1 1 2

    Comment


    • #3
      Re: Can't send mail to hotmail account only

      Also check you are not on any Blacklists (RBLs)
      TIA

      Steven Teiger [SBS-MVP(2003-2009)]
      http://www.wintra.co.il/
      sigpic
      Iím honoured to have been selected for the SMB 150 list for 2013. This is the third time in succession (no logo available for 2011) that I have been honoured with this award.

      We donít stop playing because we grow old, we grow old because we stop playing.

      Comment


      • #4
        Re: Can't send mail to hotmail account only

        Hi,


        No our IP is not in blacklist database I am already define this in my earlier post. I don't send any attachments just sent simple text mail.

        it working for all mail servers except hotmail.com ,live.com , msn.com

        BUt one thing Our server's A record and PTR record both are points to different iPaddress but it works in all other mail server.

        why problem occurred with hotmail.com


        Thanks in advance

        Comment


        • #5
          Re: Can't send mail to hotmail account only

          You should make sure that the MX record for you domian points to a valid A record and that there is a valid PTR record for the A record. Make sure that your Exchange server greeting uses the same name as your public A record. I have heard that hotmail and msn are very strict on these points. You should also set up a SPF record for your domain as I heard they will also block email without a valid SPF record.

          Comment


          • #6
            Re: Can't send mail to hotmail account only

            Hi,

            I have checked all records but A record and PTR record both are points to different IP address. I know its mistake. But it's working for all except hotmail.com and msn.com

            And I think its no need to be SPF record. Because SPF is only for 2003 windows & SBS 2003. If problem occurred due to SPF than howís running 2000 server with exchange?

            Reply please.

            Thanks in advance.

            Comment


            • #7
              Re: Can't send mail to hotmail account only

              It can give problems when microsoft does a reverse DNS lookup query
              Make sure that you fixed that.
              Marcel
              Technical Consultant
              Netherlands
              http://www.phetios.com
              http://blog.nessus.nl

              MCITP(EA, SA), MCSA/E 2003:Security, CCNA, SNAF, DCUCI, CCSA/E/E+ (R60), VCP4/5, NCDA, NCIE - SAN, NCIE - BR, EMCPE
              "No matter how secure, there is always the human factor."

              "Enjoy life today, tomorrow may never come."
              "If you're going through hell, keep going. ~Winston Churchill"

              Comment


              • #8
                Re: Can't send mail to hotmail account only

                The SPF record has nothing to do with the OS that is running on your email server. The A and PTR records could be causing your problem. Since it's not working now what do you have to lose by fixing it? Here is an article on slashdot from 2004 regarding MS and the SPF record.

                http://it.slashdot.org/article.pl?sid=04/07/23/159242

                Comment


                • #9
                  Re: Can't send mail to hotmail account only

                  Originally posted by joeqwerty View Post
                  The A and PTR records could be causing your problem.
                  That was what i also ment to say
                  Marcel
                  Technical Consultant
                  Netherlands
                  http://www.phetios.com
                  http://blog.nessus.nl

                  MCITP(EA, SA), MCSA/E 2003:Security, CCNA, SNAF, DCUCI, CCSA/E/E+ (R60), VCP4/5, NCDA, NCIE - SAN, NCIE - BR, EMCPE
                  "No matter how secure, there is always the human factor."

                  "Enjoy life today, tomorrow may never come."
                  "If you're going through hell, keep going. ~Winston Churchill"

                  Comment


                  • #10
                    Re: Can't send mail to hotmail account only

                    Hi,


                    I have solved my issue.

                    IP was blocked by Windows Live Hotmail because the traffic/e-mail originating from your IP matched characteristics of recent spam attacks from compromised, or 'zombie' infected, machines.

                    so I have emailed to "Hotmail Unblocking Requests" from Microsoft Customer Support

                    Now it's all working fine

                    Thank you !!!

                    Comment


                    • #11
                      Re: Can't send mail to hotmail account only

                      Thanks for sharing your solution.
                      TIA

                      Steven Teiger [SBS-MVP(2003-2009)]
                      http://www.wintra.co.il/
                      sigpic
                      Iím honoured to have been selected for the SMB 150 list for 2013. This is the third time in succession (no logo available for 2011) that I have been honoured with this award.

                      We donít stop playing because we grow old, we grow old because we stop playing.

                      Comment

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