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# File 'lib/mail/check_delivery_params.rb', line 5
def self.included(klass)
klass.class_eval do
def check_params(mail)
envelope_from = mail.return_path || mail.sender || mail.from_addrs.first
if envelope_from.blank?
raise ArgumentError.new('A sender (Return-Path, Sender or From) required to send a message')
end
destinations ||= mail.destinations if mail.respond_to?(:destinations) && mail.destinations
if destinations.blank?
raise ArgumentError.new('At least one recipient (To, Cc or Bcc) is required to send a message')
end
message ||= mail.encoded if mail.respond_to?(:encoded)
if message.blank?
raise ArgumentError.new('A encoded content is required to send a message')
end
[envelope_from, destinations, message]
end
end
end
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