Is there a way to tie emails together other than by the “Subject” text?
问题 I want to tie email "threads" together programmatically, specifically gmail and yahoo email "conversations." Is there a way to do this (some kind of link or pointer or "thread ID" contained within an email), or am I stuck with relying on the emailers not changing the text in the "Subject" line? And besides, that trick would be barely functional at all, as many unrelated threads may have the same subject (such as "[no subject]" etc.). 回答1: Yes. EMails contain a header (message ID), that is a