Milter-greylist

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manu@... wrote on 21-8-2006 21:23:

> Has this changed over the time? What's the purpose of targetting the
> secondary MX?

Spammers assume the secondary MX has less defenses. They could be the
ISP's that offers fallback services to all its customers. A fallback
usually will not know all the addresses in a domain and accept anything
that is offered.

- --
Peter Peters, senior beheerder (Security)
Dienst Informatietechnologie, Bibliotheek en Educatie (ITBE)
Universiteit Twente,  Postbus 217,  7500 AE  Enschede
telefoon: 053 - 489 2301, fax: 053 - 489 2383, http://www.utwente.nl/itbe
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