Forwarding mail if unser unknown possible?

Discussion in 'Installation/Configuration' started by truster, Nov 13, 2010.

  1. truster

    truster New Member

    Hello, I have setup a server with this great howto:

    Everything works fine, but i have the following situation:

    i use the e-mail domain from my isp ( with getmail. All outgoing mail goes to the smtp server from the isp. if i send a e-mail to an address, that is not in my virtual mailbox table, for example: [email protected], i get the following message:
    send to all other domains works.

    is it possible to forward those mail to an external relay host?
    In Exchange 2003 i had to delegate the domain as non-authoritative and added a transport for All unresolved adresses would be forwarded to the specified host.

    Is this possible with ISPConfig3?

    Any Help would be greatly appreciated.

  2. falko

    falko Super Moderator ISPConfig Developer

    Yes, you can do this with the Email Routing feature (it uses Postfix transports).
  3. truster

    truster New Member

    Hi Falko, thanks for your reply!

    If i add a e-mail routing for, all mails fetched with getmail will also be forwarded, so i get a loop (aon pop account > getmail > local smtp > aon smarthost smtp > aon popaccount. the aon smtp server detects the loop and dropped the mail
    And Thunderbird keeps display the message, if i try to send to an address.
    Last edited: Nov 14, 2010
  4. truster

    truster New Member

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