> That's just adding a row into the 'Outbox' table
No tables and no rows in Notes. Composing an email would create a new document using the "Mail" form; clicking the "Send" button would run a shockingly confusing script that would cause the document to render in the style of a sent email; some awful LotusScript "Agent," the details of which I've long forgotten, would soon thereafter urge the Domino MTA to send mail based on its apprehension of the new document in your mailbox database.
No tables and no rows in Notes. Composing an email would create a new document using the "Mail" form; clicking the "Send" button would run a shockingly confusing script that would cause the document to render in the style of a sent email; some awful LotusScript "Agent," the details of which I've long forgotten, would soon thereafter urge the Domino MTA to send mail based on its apprehension of the new document in your mailbox database.