It's your responsibility to add an unsubscribe link to your emails when needed. 

Emails that are promotional or include content that the recipient has not requested should always include an unsubscribe option. 

If your recipients are not able to opt-out from future emails you send because you don’t add an unsubscribe option, your email may be flagged as spam. Having emails marked as spam could prevent your ability to send emails through Muck Rack in the future. 

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