无法在重新传输之间更改消息上的 MessageId 标头。首次发送时 MessageId 标头的原始值为 <var>X</var>，但其现在的值为 <var>Y</var>。

Message in Chinese (Simplified) (中文(简体))

Unlocalized message

The MessageId header on a message cannot change between retransmissions. The original value of the MessageId header when first sent was <var>X</var>, but it now has a value of <var>Y</var>.

Search by Google

Available localized messages

Hebrew (עברית) Dutch (Nederlands) Norwegian (Bokmal) (Norsk (Bokmål)) Hungarian (magyar) Finnish (suomi) Turkish (Türkçe) Russian (Русский) Prior (Message) Italian (Italiano) French (Français) Arabic (العربية) Japanese (日本語) German (Deutsch) Czech (Čeština) Korean (한국어) Greek (Ελληνικά) Next (Message) Spanish (Español) Danish (Dansk) Polish (Polski) Swedish (Svenska) Chinese (Traditional) (中文（繁體）)