27 lines
638 B
Ruby
27 lines
638 B
Ruby
module EmailMethods
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extend ActiveSupport::Concern
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private
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def canonical_email(email)
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local_part, domain = if email.nil?
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nil
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else
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email.split("@")
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end
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local_part.sub!(/\+.*$/, "")
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local_part.delete!(".") if %w[gmail.com googlemail.com].include?(domain)
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"#{local_part}@#{domain}"
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end
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##
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# get list of MX servers for a domains
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def domain_mx_servers(domain)
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Resolv::DNS.open do |dns|
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dns.getresources(domain, Resolv::DNS::Resource::IN::MX).collect { |mx| mx.exchange.to_s }
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end
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end
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end
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