//! mailer-smtp: SMTP protocol engine (server + client).

pub use mailer_core;

/// Placeholder for the SMTP server and client implementation.
pub fn version() -> &'static str {
    env!("CARGO_PKG_VERSION")
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_version() {
        assert!(!version().is_empty());
    }
}