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You can restrict email addresses or domains for the selected user functionality. While creating a link only the listed addresses/domains will be allowed to be used. Details on Project Configuration can be found in our documentation: https://docs.warsawdynamics.com/content/51354/external_share_for_jira_documentation/116195750/116195356 Project Configuration documentation.
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Email Subject & Body Customization
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For more details about Email template, please check our documentation: https://docs.warsawdynamics.com/content/51354/external_share_documentation/116196241/ Email Template documentation.
However, you can also edit the email subject and email body of individual emails directly.
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