Program vs. Email doesn't matter here.
I'm pretty sure this is based entirely on Asset ID. However, I also thought that it was within the Engagement and not across the system. I know I read some recent threads where this seemed to be universal based on Asset ID, thus your leads should not get duplicate content.
Thanks, Josh. I have mostly used programs in engagement programs previously. I thought that I recalled reading that there was a difference between emails and programs, but I can't find any discussions on it. I know for programs Marketo checks membership as the decider for "received previously".
Cheryl Chavez can you give me a definitive answer to this one? I know if the assets are outside the engagement program, we're good, but if they reside in another engagement program, does Marketo still recognise it as the same asset?