56 lines
1.4 KiB
Rust
56 lines
1.4 KiB
Rust
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use crate::settings::Settings;
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use lettre::{
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smtp::{
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authentication::{Credentials, Mechanism},
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extension::ClientId,
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ConnectionReuseParameters,
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},
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ClientSecurity,
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SmtpClient,
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Transport,
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};
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use lettre_email::Email;
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pub fn send_email(
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subject: &str,
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to_email: &str,
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to_username: &str,
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html: &str,
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) -> Result<(), String> {
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let email_config = Settings::get().email.ok_or("no_email_setup")?;
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let email = Email::builder()
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.to((to_email, to_username))
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.from(email_config.smtp_from_address.to_owned())
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.subject(subject)
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.html(html)
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.build()
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.unwrap();
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let mailer = if email_config.use_tls {
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SmtpClient::new_simple(&email_config.smtp_server).unwrap()
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} else {
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SmtpClient::new(&email_config.smtp_server, ClientSecurity::None).unwrap()
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}
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.hello_name(ClientId::Domain(Settings::get().hostname))
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.smtp_utf8(true)
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.authentication_mechanism(Mechanism::Plain)
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.connection_reuse(ConnectionReuseParameters::ReuseUnlimited);
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let mailer = if let (Some(login), Some(password)) =
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(&email_config.smtp_login, &email_config.smtp_password)
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{
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mailer.credentials(Credentials::new(login.to_owned(), password.to_owned()))
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} else {
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mailer
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};
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let mut transport = mailer.transport();
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let result = transport.send(email.into());
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transport.close();
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match result {
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Ok(_) => Ok(()),
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Err(e) => Err(e.to_string()),
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}
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}
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