Postfix Sender Restrictions

Discussion in 'HOWTO-Related Questions' started by PowhatanDave, Jun 20, 2017.

  1. PowhatanDave

    PowhatanDave New Member

    I'm allowing our ISPConfig customers to try an email for their kids, but we would like to be able to restrict who they can send to, and who they can receive messages from. Any tutorials out there for Mailbox Custom Rules?

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