Struct EmailMessage 

pub struct EmailMessage {
    pub from: String,
    pub to: Vec<String>,
    pub cc: Vec<String>,
    pub bcc: Vec<String>,
    pub subject: String,
    pub body: Option<String>,
    pub html_body: Option<String>,
    pub attachments: Vec<Attachment>,
    pub headers: Vec<(String, String)>,
    pub message_id: Option<String>,
    pub reply_to: Option<String>,
}

邮件消息结构体

存储邮件的所有元数据和内容，支持生成符合 RFC 5322 标准的邮件内容。

Fields

from: String

发件人地址

to: Vec<String>

收件人地址列表

cc: Vec<String>

抄送地址列表

bcc: Vec<String>

密送地址列表

subject: String

邮件主题

body: Option<String>

纯文本正文

html_body: Option<String>

HTML 正文

attachments: Vec<Attachment>

附件列表

headers: Vec<(String, String)>

自定义头部字段

message_id: Option<String>

消息 ID

reply_to: Option<String>

回复地址

Implementations

impl EmailMessage

pub fn new() -> Self

创建新的邮件消息

pub fn builder() -> EmailBuilder

使用构建器创建邮件

pub fn to_bytes(&self) -> Vec<u8>

生成完整的邮件内容（字节形式）

返回符合 RFC 5322 标准的邮件字节数据

Trait Implementations

impl Clone for EmailMessage

fn clone(&self) -> EmailMessage

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for EmailMessage

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for EmailMessage

fn default() -> EmailMessage

Returns the “default value” for a type.

impl Display for EmailMessage

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.