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  • SMTP Banner

    Hi all

    I need to amend our smtp banner as its not currently configured properly. But I wanted to clarify some points.

    Our dns is external with mail.ourdomain.com pointing to the host ip. Can I amend the A record to point to our external IP and then change the smtp banner to mail.ourdomain.com will there be any adverse effects?

    if the mail sent from our domain is @domainname.com can I just set the smtp banner as domainname.com?

    Hope this makes sense

    Thanks

  • #2
    Re: SMTP Banner

    The email address domain has nothing to do with the SMTP banner.
    There are simply not enough IP addresses in the world for every domain to have a unique host name for its email.

    The only setting you need to worry about is the Send Connector.
    This should match the PTR on the IP address (aka reverse DNS) which should be an A record that points to that same IP address.

    What it is, doesn't really matter, as long as it all resolves.
    So your email address could be example.com, but the DNS could all be mail.example.net - that would be fine.

    Simon.
    --
    Simon Butler
    Exchange MVP

    Blog: http://blog.sembee.co.uk/
    More Exchange Content: http://exchange.sembee.info/
    Exchange Resources List: http://exbpa.com/
    In the UK? Hire me: http://www.sembee.co.uk/

    Sembee is a registered trademark, used here with permission.

    Comment


    • #3
      Re: SMTP Banner

      We recently added a new domain name to our exchange server @newdomainname.com and our send connector is configured for something.olddomainname.com

      I didnt mention before we use the pop connector in SBS to pull down our mail so technically its not hosted here. The reason I am trying to sort this out is because as I see it, its good practice to sort the smtp banner out. And also it stops the potential for our outgoing mail being marked as spam.

      Thanks

      Comment


      • #4
        Re: SMTP Banner

        Why are you using the POP3 connector?
        If you have a static IP address which will allow you to send email directory (and therefore the banner value becomes important) then get email delivered by SMTP. The POP3 connector isn't designed for ongoing use, simply to help you move to SMTP.

        The SMTP banner has NOTHING to do with the email address that the email is coming from.

        If you are using SBS, then the wizards will configure everything for you, you don't configure things manually.

        Simon.
        --
        Simon Butler
        Exchange MVP

        Blog: http://blog.sembee.co.uk/
        More Exchange Content: http://exchange.sembee.info/
        Exchange Resources List: http://exbpa.com/
        In the UK? Hire me: http://www.sembee.co.uk/

        Sembee is a registered trademark, used here with permission.

        Comment

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