On Fri, 28 Jul 2023 16:29:13 -0400 Konstantin Ryabitsev wrote: > I have actually solved a similar problem already as part of a different > project (bugbot). We associate a set of additional addresses with a thread and > can send any thread updates to those addresses. > > It would require a bit more effort to adapt it so we properly handle bounces, > but effectively this does what you're asking about -- replies sent to a thread > will be sent out to all addresses we've associated with that thread (via > get_maintainer.pl). In a sense, this will create a miniature pseudo-mailing > list per each thread with its own set of subscribers. > > I just need to make sure this doesn't fall over once we are hitting > LKML-levels of activity. How does that square with the "subscribe by path / keyword" concept? If we can do deep magic of this sort can we also use it to SMTP to people what they wanted to subscribe to rather than expose it as POP/IMAP/NNTP? Could be easier for people to do dedup and alike if subscriptions were flowing into their usual inbox.