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I believe GMail adds things to the header to help it track the conversation. This along with time-based subject matching allows it to handle most cases easily.
by nirmal 18y ago
I believe GMail adds things to the header to help it track the conversation. This along with time-based subject matching allows it to handle most cases easily.
- nuclear_eclipse 18y agoEvery proper email client has done this for at least the past ten years. It's the message-id and in-reply-to headers that allow for proper message threading.