I'll share what I'm working on in the comments.
I think the monthly https://news.ycombinator.com/submitted?id=whoishiring only get a lot of traction because users know when they're posted (some users are waiting for them) and because very few users reply to comments, so easier to read.
You can find the demo link here: https://www.youtube.com/watch?v=kGMBSAHQgos
and try out the product here: https://chrome.google.com/webstore/detail/coldmessagegpt-gpt...
Happy to know your thoughts on this!!