I'm starting the process to implement unsubscribe options. We want our base to decide if they want to unsubscribe from all marketing emails or limit the number of emails they receive in a month from us. Currently we send out 4 emails, 1 newsletter and 3 webinar invites. There are more emails if there is an event we're promoting, but those emails are segmented and not sent to our entire base. We also want to have a field to ask why the person wants to unsubscribe. (Too many emails, Content isn't relevant, Bad timing, etc.)
Before setting up anything, I wanted to reach out for any dos or don'ts around unsubscribe options. Your comments are appreciated!