Created
April 4, 2012 19:18
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| require 'resolv' | |
| def valid_email_domain(domain) | |
| Resolv::DNS.open do |dns| | |
| mail_servers = dns.getresources(domain, Resolv::DNS::Resource::IN::MX) | |
| if mail_servers && !mail_servers.empty? | |
| true | |
| else | |
| false | |
| end | |
| end | |
| end |
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