Free software downloads tagged with validity
Software Listings
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Allows you instantly check credit card number for validity.
Added on Jul 9, 2002
Version 1.21
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E-mail checking tool to verify your customers e-mail addresses.
Added on Jan 3, 2006
Version 2.1
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Program that verifies the validity of e-mail addresses.
Added on Feb 13, 2007
Version 4.48
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