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module Mail
module CheckDeliveryParams
def check_delivery_params(mail)
if mail.smtp_envelope_from.blank?
raise ArgumentError.new('An SMTP From address is required to send a message. Set the message smtp_envelope_from, return_path, sender, or from address.')
end
if mail.smtp_envelope_to.blank?
raise ArgumentError.new('An SMTP To address is required to send a message. Set the message smtp_envelope_to, to, cc, or bcc address.')
end
message = mail.encoded if mail.respond_to?(:encoded)
if message.blank?
raise ArgumentError.new('An encoded message is required to send an email')
end
[mail.smtp_envelope_from, mail.smtp_envelope_to, message]
end
end
end
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