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aghyad/validate_email_dns.rb

Created December 3, 2013 22:42
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Validating email dns in ruby
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validate_email_dns.rb
require 'resolv'
def validate_email_domain(email)
domain = email.match(/\@(.+)/)[1]
Resolv::DNS.open do |dns|
@mx = dns.getresources(domain, Resolv::DNS::Resource::IN::MX) + dns.getresources(domain, Resolv::DNS::Resource::IN::A)
end
@mx.size > 0 ? true : errors.add(:email, "Invalid email id")
end
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