Prasanth Nair writes:
As you know, we can edit the individual messages using the message_id_hash. Is there any possibility that we can edit the original message which then updates all of the threads it has (for example, if someone already replied to the original message)? Or do we need to edit each message manually?
What do you mean by "update threads"? If you mean, "make the same edit to quoted material in later posts in the same thread", you have to do that manually. Because of the variety of quoting styles, the fact that well-trained users will trim or edit much of the content, and the fact that some MUAs will refill paragraphs, you'd have to check every message anyway to ensure that the desired edit was actually made. It's not something that can be done automatically.
If it's something that cause security exposure or legal liability for the host, don't forget to edit all alternative parts, by the way. Eg, the message has both text/plain and text/html alternatives, and you don't strip the HTML, the text you want to change will be duplicated in both parts.
If that's not what you meant, please explain in more detail.
Steve