Wildcards for MX and CNAME in same zone - allowed?

[Barry Margolin]

In article <a80cjd$79h at pub3.rc.vix.com>, bert hubert  <ahu at ds9a.nl> wrote:
>Very interesting. As far as I can tell, no application should ever have an
>active interest in CNAMEs per se. 

Mailers should.  All domain names in the header are supposed to be
canonical names.  So for every address in the header, it should perform a
CNAME query so it can rewrite the address if it uses an alias.

-- 
Barry Margolin, barmar at genuity.net
Genuity, Woburn, MA
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