There are three ways to opt-out of Introductions:
All emails related to Introductions have an Opt-Out option at the bottom of the email. By clicking on this a member will be directed to opt-out of Introductions.
A member can opt-out via pausing Introductions. When a member selects Pause Introductions they will also be given the option to instead completely opt-out. Directions on pausing Introductions can be found above.
Members can opt-out of Introductions from their profile page. In the Hub tab, a member can select to Edit one of their hub preferences. At the bottom of the Edit options, a member can select to disable the Can be introduced to other members automatically option.