Are you talking about PBEM (play by email) or logging in together and playing a few turns a week?
I would be interested, but this particular game I have never played and do not have the rulebook.
My brother & I played it via vassal but we had to connect live to conduct any battles. Not sure how the battle resolution would work with the tactics cards and such.
Follow the directions to register your email.
Once you are in you will see a bunch of games that require cards like For the People, Barbarossa to Berlin, Napoleonic Wars, Paths of Glory etc.
For the less popular and oldish games you need to go to [Custom Modules] (it’s the last of the group), click it and select 1776.
I have to trot off in a few minutes but I did check my emails & after I downloaded what you previously sent, it lead to Vassal & the 1776 game but when I was presented the options of “Select side” I was given two choices: British or Solo. I opted for British and this is what I now am seeing: