snippet of a SwiftMailer factories.yml file

factories.yml

all:
  user:
    class: myUser
    param:
      timeout: 3600
  mailer:
    class: sfMailer
    param:
      logging:           %SF_LOGGING_ENABLED%
      charset:           %SF_CHARSET%
      delivery_strategy: realtime
      transport:
        class: Swift_SmtpTransport
        param:
          host:       email-smtp.us-east-1.amazonaws.com
          port:       465
          encryption: ssl
          username:   __USERNAME__
          password:   __PASSWORD__
          timeout:    5