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composer require sonsofphp/mailer-contract


  • Message - The email message that will be sent.
  • Mailer - Primary API used to send messages.
  • Transport - Transports are what will actually send the message. This could be SMTP, Null, SendGrid, Amazon SES, or anything like that.
  • Middleware - Before the message is sent to the transport to be sent, various middlewares have the ability to modify the message.