Autor: Marc Perkel
Data:
Para: exim users
Assunto: [exim] Detecting the domain part of a host address
What would be the method of detecting the domain part of a host address?
For example:
82-46-151-246.cable.ubr04.perr.blueyonder.co.uk
How would you write an ACL that would extract the blueyonder.co.uk part?