Allow Non-existent Domains

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Mail which comes from a non-existent domain is automatically refused for the reasons provided here.

If absolutely necessary, you can allow a specific unresolvable domain through by following these steps:

  1. On every CanIt machine, edit /etc/mail/access. Right *ABOVE* the line that reads:
    # DO NOT EDIT BELOW THIS LINE: CANIT MAY DELETE CHANGES BELOW THIS LINE
    add a line like this (user domain in question):
    this.example.com OK
  2. On every CanIt machine, run:
    make -C /etc/mail