在开发环境中使用Rails 3发送邮件

config.action_mailer.raise_delivery_errors = false
config.action_mailer.delivery_method = :smtp
config.action_mailer.smtp_settings = {
  address:              'smtp.example.com',
  port:                 587,
  domain:               'example.com',
  user_name:            'your_username',
  password:             'your_password',
  authentication:       'plain',
  enable_starttls_auto: true
}

class UserMailer < ActionMailer::Base
  default from: 'notifications@example.com'

  def welcome_email(user)
    @user = user
    mail(to: @user.email, subject: 'Welcome to My Awesome Site')
  end
end

def create
  @user = User.new(user_params)
  if @user.save
    UserMailer.welcome_email(@user).deliver_now
    redirect_to @user, notice: 'User was successfully created.'
  else
    render :new
  end
end