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Helo command rejected: Host not found

Hi all, I'm hoping someone will be able to shed some light on the following

I'm a recent convert to Astaro, deploying ASG8 at home in front of a Server 2003 domain with Exchange 2003

I discovered recently a sender to my email address is receiving a bounce back as follows - mail from (as far as I can tell) all other senders is being received

From: System Administrator
Sent: 18 January 2012 17:56
To: Andrew Dancy
Subject: Undeliverable: Test email


Your message did not reach some or all of the intended recipients.

      Subject:  Test email

      Sent:     18/01/2012 17:56


The following recipient(s) cannot be reached:

      jc@dc9.co.uk on 18/01/2012 17:56

            You do not have permission to send to this recipient.  For assistance, contact your system administrator.

            : Helo command rejected: Host not found>



Can anyone point me in the right direction where I need to reconfigure

Many thanks

Jeremy


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  • Hi, Jeremy, and welcome to the User BB!

    Please post the relevant lines from your SMTP log.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
Reply
  • Hi, Jeremy, and welcome to the User BB!

    Please post the relevant lines from your SMTP log.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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