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Implements the ActiveSupport::LogSubscriber for logging notifications when email is delivered or received.

Methods
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Instance Public methods

deliver(event)

An email was delivered.

Source: show | on GitHub 

# File actionmailer/lib/action_mailer/log_subscriber.rb, line 10
def deliver(event)
  info do
    perform_deliveries = event.payload[:perform_deliveries]
    if perform_deliveries
      "Delivered mail #{event.payload[:message_id]} (#{event.duration.round(1)}ms)"
    else
      "Skipped delivery of mail #{event.payload[:message_id]} as `perform_deliveries` is false"
    end
  end

  debug { event.payload[:mail] }
end

logger()

Use the logger configured for ActionMailer::Base.

Source: show | on GitHub 

# File actionmailer/lib/action_mailer/log_subscriber.rb, line 33
def logger
  ActionMailer::Base.logger
end

process(event)

An email was generated.

Source: show | on GitHub 

# File actionmailer/lib/action_mailer/log_subscriber.rb, line 24
def process(event)
  debug do
    mailer = event.payload[:mailer]
    action = event.payload[:action]
    "#{mailer}##{action}: processed outbound mail in #{event.duration.round(1)}ms"
  end
end