Function deltachat::chat::create_send_msg_jobs

pub(crate) async fn create_send_msg_jobs(
    context: &Context,
    msg: &mut Message
) -> Result<Vec<i64>>

Constructs jobs for sending a message and inserts them into the smtp table.

Returns row ids if jobs were created or an empty Vec otherwise, e.g. when sending to a group with only self and no BCC-to-self configured.

The caller has to interrupt SMTP loop or otherwise process new rows.