Blocking MX query

Mark Andrews marka at isc.org
Wed Sep 5 01:08:29 UTC 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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