use env_logger::{Builder, Env}; use log::{debug, info}; use opensmtpd::{event, handlers, Entry, Response, SmtpIn}; #[event(Any)] fn on_event(entry: &Entry) -> Response { debug!("Event received: {:?}", entry); Response::None } #[event(LinkConnect)] fn on_connect(entry: &Entry) -> Response { info!("New client on session {:x}.", entry.session_id); Response::None } fn main() { Builder::from_env(Env::default().default_filter_or("debug")).init(); SmtpIn::new() .event_handlers(handlers!(on_event, on_connect)) .run(); }