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/*
* Copyright Stalwart Labs Ltd. See the COPYING
* file at the top-level directory of this distribution.
*
* Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
* option. This file may not be copied, modified, or distributed
* except according to those terms.
*/
use std::fs::File;
use mail_builder::{headers::address::Address, mime::MimePart, MessageBuilder};
fn main() {
// Build a nested multipart message
MessageBuilder::new()
.from(Address::new_address("John Doe".into(), "john@doe.com"))
.to(Address::new_address("Jane Doe".into(), "jane@doe.com"))
.subject("Nested multipart message")
// Define the nested MIME body structure
.body(MimePart::new(
"multipart/mixed",
vec![
MimePart::new("text/plain", "Part A contents go here...").inline(),
MimePart::new(
"multipart/mixed",
vec![
MimePart::new(
"multipart/alternative",
vec![
MimePart::new(
"multipart/mixed",
vec![
MimePart::new("text/plain", "Part B contents go here...")
.inline(),
MimePart::new(
"image/jpeg",
"Part C contents go here...".as_bytes(),
)
.inline(),
MimePart::new("text/plain", "Part D contents go here...")
.inline(),
],
),
MimePart::new(
"multipart/related",
vec![
MimePart::new("text/html", "Part E contents go here...")
.inline(),
MimePart::new(
"image/jpeg",
"Part F contents go here...".as_bytes(),
),
],
),
],
),
MimePart::new("image/jpeg", "Part G contents go here...".as_bytes())
.attachment("image_G.jpg"),
MimePart::new(
"application/x-excel",
"Part H contents go here...".as_bytes(),
),
MimePart::new("x-message/rfc822", "Part J contents go here...".as_bytes()),
],
),
MimePart::new("text/plain", "Part K contents go here...").inline(),
],
))
// Write the message to a file
.write_to(File::create("nested-message.eml").unwrap())
.unwrap();
}