Struct CommonFieldsParser

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pub struct CommonFieldsParser;
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公共字段解析器

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impl CommonFieldsParser

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pub fn extract_from_email(message: &str) -> Option<EmailAddress>

提取发件人地址

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pub fn extract_to_email(message: &str) -> Option<EmailAddress>

提取收件人地址

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pub fn extract_orig_to_email(message: &str) -> Option<EmailAddress>

提取原始收件人地址

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pub fn extract_client_info(message: &str) -> Option<ClientInfo>

提取客户端信息(完整格式)

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pub fn extract_client_info_simple(client_str: &str) -> Option<ClientInfo>

提取客户端信息(简化格式,不带client=前缀)

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pub fn extract_relay_info(message: &str) -> Option<RelayInfo>

提取中继信息

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pub fn extract_delay_info(message: &str) -> Option<DelayInfo>

提取延迟信息

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pub fn extract_status_info(message: &str) -> Option<StatusInfo>

提取状态信息

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pub fn extract_size(message: &str) -> Option<u64>

提取邮件大小

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pub fn extract_nrcpt(message: &str) -> Option<u32>

提取收件人数量

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pub fn extract_message_id(message: &str) -> Option<String>

提取Message-ID (支持带尖括号和不带尖括号的格式)

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pub fn extract_protocol(message: &str) -> Option<String>

提取协议信息

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pub fn extract_helo(message: &str) -> Option<String>

提取HELO信息

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pub fn extract_sasl_method(message: &str) -> Option<String>

提取SASL认证方法

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pub fn extract_sasl_username(message: &str) -> Option<String>

提取SASL用户名

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