use std::fs;
use lettre::{
transport::smtp::{
authentication::Credentials,
client::{Certificate, Tls, TlsParameters},
},
Message, SmtpTransport, Transport,
};
fn main() {
tracing_subscriber::fmt::init();
let email = Message::builder()
.from("NoBody <nobody@domain.tld>".parse().unwrap())
.reply_to("Yuin <yuin@domain.tld>".parse().unwrap())
.to("Hei <hei@domain.tld>".parse().unwrap())
.subject("Happy new year")
.body(String::from("Be happy!"))
.unwrap();
let pem_cert = fs::read("certificate.pem").unwrap();
let cert = Certificate::from_pem(&pem_cert).unwrap();
let tls = TlsParameters::builder("smtp.server.com".to_string())
.add_root_certificate(cert)
.build()
.unwrap();
let creds = Credentials::new("smtp_username".to_string(), "smtp_password".to_string());
let mailer = SmtpTransport::builder_dangerous("smtp.server.com")
.port(465)
.tls(Tls::Wrapper(tls))
.credentials(creds)
.build();
match mailer.send(&email) {
Ok(_) => println!("Email sent successfully!"),
Err(e) => panic!("Could not send email: {:?}", e),
}
}