If you have a campaign that is not being triggered you should always compare the activity log of a lead you believe should qualify with what the trigger is looking for. Remember, t...
Is your email program using an AB Test? What does the Smart List look like? It says there are errors in the Smart List but you have only shown us the Flow.
Not natively, no. You would need a pretty custom integration with a middleware using the API to perform the sync operations. You couldn't use the native sync at all in that scenari...
The next time the record is updated in Salesforce it will sync back down to Marketo and create a new record. You will need to find a way to stop records you deleted in Marketo from...
Unless your pages get very heavy traffic (several tens of thousands of views an hour) you shouldn't see very much delay, if any. If you are seeing delays of an hour of web activity...