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/*
* SPDX-FileCopyrightText: 2020 Stalwart Labs LLC <hello@stalw.art>
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*/
use mail_auth::{
common::crypto::{RsaKey, Sha256},
dkim::DkimSigner,
};
use mail_builder::MessageBuilder;
use mail_send::SmtpClientBuilder;
const TEST_KEY: &str = r#"-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----"#;
#[tokio::main]
async fn main() {
// Build a simple text message with a single attachment
// More examples of how to build messages available at
// https://github.com/stalwartlabs/mail-builder/tree/main/examples
let message = MessageBuilder::new()
.from(("John Doe", "john@example.com"))
.to("jane@example.com")
.subject("Howdy!")
.text_body("These pretzels are making me thirsty.")
.attachment("image/png", "pretzels.png", [1, 2, 3, 4].as_ref());
// Sign an e-mail message using RSA-SHA256
let pk_rsa = RsaKey::<Sha256>::from_rsa_pem(TEST_KEY).unwrap();
let signer = DkimSigner::from_key(pk_rsa)
.domain("example.com")
.selector("default")
.headers(["From", "To", "Subject"])
.expiration(60 * 60 * 7); // Number of seconds before this signature expires (optional)
// Connect to an SMTP relay server over TLS.
// Signs each message with the configured DKIM signer.
SmtpClientBuilder::new("smtp.gmail.com", 465)
.connect()
.await
.unwrap()
.send_signed(message, &signer)
.await
.unwrap();
}
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