Blocking MX query

Mark Andrews marka at isc.org
Tue Sep 4 20:08:29 CDT 2012


	MUA's can make MX queries to validate entered addresses
	before SMTP/SUBMISSION is even attempted.

-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org



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