Enable opt in/out and unsubscribe

When sending an email from your app, especially to the public, it is important to provide users with options to do the following:

  • Opt in to or out of email notifications
    For example, an opt-in toggle displayed clearly in your app.
  • Unsubscribe if users want to stop receiving emails
    For example, you might provide a link in your email that navigates to an unsubscribe view in your app.

Email services are sensitive to complaints about spam that does not require opting in or allow a user to unsubscribe. Failure to implement these options may result in your emails being blocked by an email service provider.

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