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Thread: Inbound SMTP from a specified IP only

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    ThomasB is offline Active Member
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    Default Inbound SMTP from a specified IP only

    My Zimbra server handles several domains.

    For one of the domains, I'd like the server to accept incoming SMTP connections only from *one* given IP (our NATted internal network).

    I cannot lock down using the firewall - as connections from the same IP (AND other addresses) bound for a different domain should be let through.

    Can this be done without affecting how Zimbra handles mail for the other domains?

    Thankful for any hints!

    Rgrds,
    Thomas B

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    Hivos's Avatar
    Hivos is offline Advanced Member
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    In the admin console you can specify an "inbound smtp hostname" on a per domain basis. I don't use it, but it sounds like it does what you need...

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    ThomasB is offline Active Member
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    Quote Originally Posted by Hivos View Post
    In the admin console you can specify an "inbound smtp hostname" on a per domain basis. I don't use it, but it sounds like it does what you need...
    Thanks for your reply. I agree, the text "inbound smtp hostname" could indicate something to do with this, but unfortunately it doesn't:

    http://www.zimbra.com/forums/administrators/32212-inbound-smtp-hostname-checking.html


    Brian of Zimbra says:
    nbound SMTP hostname applies only to the "Check DNS" button. A significant number of forum and support cases revolve around improperly configured DNS MX settings. That combined with an increased number of ISP's offering self-service ZCS domains, it provides a means for customers to easily make sure their DNS is pointed at the expected server.

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