Yeah, categorization helps, but how would you address this with respect to a mailing list? Currently I send one message to all per post. Personally, the blogs

Yeah, categorization helps, but how would you address this with respect to a mailing list? Currently I send one message to all per post. Personally, the blogs that mail me multiple small posts per week are the ones I filter (then rarely or never read) or unsubscribe from. Perhaps there'd be value in letting people subscribe to "all posts" or "big posts only".