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# frozen_string_literal: true
require 'mail/check_delivery_params'
module Mail
# == Sending Email with SMTP
#
# Mail allows you to send emails using an open SMTP connection. This is done by
# passing a created Net::SMTP object. This way we can get better performance to
# our local mail server by reducing the number of connections at any one time.
#
# === Sending via SMTP server on Localhost
#
# To send mail open a connection with Net::Smtp using any options you like
# === Delivering the email
#
# Once you have the settings right, sending the email is done by:
#
# smtp_conn = Net::SMTP.start(settings[:address], settings[:port])
# Mail.defaults do
# delivery_method :smtp_connection, { :connection => smtp_conn }
# end
#
# Mail.deliver do
# to 'mikel@test.lindsaar.net'
# from 'ada@test.lindsaar.net'
# subject 'testing sendmail'
# body 'testing sendmail'
# end
#
# Or by calling deliver on a Mail message
#
# mail = Mail.new do
# to 'mikel@test.lindsaar.net'
# from 'ada@test.lindsaar.net'
# subject 'testing sendmail'
# body 'testing sendmail'
# end
#
# mail.deliver!
class SMTPConnection
include Mail::CheckDeliveryParams
def initialize(values)
raise ArgumentError.new('A Net::SMTP object is required for this delivery method') if values[:connection].nil?
self.smtp = values[:connection]
self.settings = values
end
attr_accessor :smtp
attr_accessor :settings
# Send the message via SMTP.
# The from and to attributes are optional. If not set, they are retrieve from the Message.
def deliver!(mail)
smtp_from, smtp_to, message = check_delivery_params(mail)
response = smtp.sendmail(message, smtp_from, smtp_to)
settings[:return_response] ? response : self
end
end
end
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