Implements the ActiveSupport::LogSubscriber for logging notifications when email is delivered and 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 8
def deliver(event)
  return unless logger.info?
  recipients = Array(event.payload[:to]).join(', ')
  info("\nSent mail to #{recipients} (#{event.duration.round(1)}ms)")
  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 30
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 23
def process(event)
  mailer = event.payload[:mailer]
  action = event.payload[:action]
  debug("\n#{mailer}##{action}: processed outbound mail in #{event.duration.round(1)}ms")
end
receive(event)

An email was received.

Source: show | on GitHub 

# File actionmailer/lib/action_mailer/log_subscriber.rb, line 16
def receive(event)
  return unless logger.info?
  info("\nReceived mail (#{event.duration.round(1)}ms)")
  debug(event.payload[:mail])
end