Smtp step by step. Please, atention Iris or smtp experts

Hello, I have 3 Domino domains with a respective internet domain:***/acme@acme - acme.com - 2 servers

***/lv@lv - lv.com - 1 server

***/lvs@lvs - lvs.com - 1 server

Each domain have a one dedicated domino mail server and acme have twoo , one of them (svrInternet), face to internet.

Actually i have using cascade address book reduced names are replicated in all servers.

In svrInternet I have:

  • GlobalDomain document with all internet domains.

  • Adjacents domains for lvs and lv and

  • Mail connection documents .

That environment work good, but I need to know what exactly happend (step by step) when a internet message arrive to srvInternet .

Sorry, this question is looked like a CLP exam!