1 use crate::{settings::structs::Settings, LemmyError};
3 message::{header, Mailbox, MultiPart, SinglePart},
5 authentication::Credentials,
6 client::{Tls, TlsParameters},
14 use std::str::FromStr;
23 ) -> Result<(), LemmyError> {
24 let email_config = settings
27 .ok_or_else(|| LemmyError::from_message("no_email_setup"))?;
28 let domain = settings.hostname.to_owned();
30 let (smtp_server, smtp_port) = {
31 let email_and_port = email_config.smtp_server.split(':').collect::<Vec<&str>>();
32 if email_and_port.len() == 1 {
33 return Err(LemmyError::from_message(
34 "email.smtp_server needs a port, IE smtp.xxx.com:465",
42 .expect("email needs a port"),
46 let email = Message::builder()
51 .expect("email from address isn't valid"),
54 Some(to_username.to_string()),
55 Address::from_str(to_email).expect("email to address isn't valid"),
57 .message_id(Some(format!("{}@{}", Uuid::new_v4(), settings.hostname)))
60 MultiPart::mixed().multipart(
61 MultiPart::alternative()
64 .header(header::ContentType::TEXT_PLAIN)
65 .body(html.to_string()),
68 MultiPart::related().singlepart(
70 .header(header::ContentType::TEXT_HTML)
71 .body(html.to_string()),
76 .expect("email built incorrectly");
78 // don't worry about 'dangeous'. it's just that leaving it at the default configuration
80 let mut builder = SmtpTransport::builder_dangerous(smtp_server).port(smtp_port);
83 if email_config.use_tls {
84 let tls_config = TlsParameters::new(smtp_server.to_string()).expect("the TLS backend is happy");
85 builder = builder.tls(Tls::Wrapper(tls_config));
88 // Set the creds if they exist
89 if let (Some(username), Some(password)) = (email_config.smtp_login, email_config.smtp_password) {
90 builder = builder.credentials(Credentials::new(username, password));
93 let mailer = builder.hello_name(ClientId::Domain(domain)).build();
95 let result = mailer.send(&email);
99 Err(e) => Err(LemmyError::from(e).with_message("email_send_failed")),