End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →
class method
Resolv::DNS::Resource::MX.new
new(preference, exchange)
lib/resolv.rb
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# File tmp/rubies/ruby-3.0.5/lib/resolv.rb, line 1986
def initialize(preference, exchange)
@preference = preference
@exchange = exchange
end
Creates a new MX record with preference, accepting mail at exchange.