@SanfordWhiteman - thank you again for your insight! I think everything you mentioned will do the trick here. ... View more

Sanford, thank you for your reply and my apologies in advance for the amateur questions!   We are actually planning on setting up a preference center to replace the current durable unsubscribe-from-everything option. I figure that if we introduce a preference center that is designed to update based on particular lead ID, then it cannot work in conjunction with the email-based durable unsubscribe.   As for the compound dedupe key, this will likely not work for us since as you mentioned, letting them fill in the company name will likely lead to a lot of mismatches due to spelling variables.   If I'm getting this right - if our preference center page is a Marketo-tracked email link such as the current default unsubscribe link, then only the lead ID that the link is unique to will be updated in the database and other leads in the database that may share that same email will not be updated? To follow-up, is every landing page created in the Marketo Design Studio tracked by default or are there additional steps needed to ensure the linked page is tracked? ... View more