Multiple SMTP settings for different mailing segments

I’m interested and willing to add some $$$ to the pool.

I want to be able to send emails to 2 different providers to separate marketing emails from transactional emails. I think my use case perfectly fits de initial request, however the requirements of the rest of biding businesses might have changed or streched since this post was started…

So, it would be good to refresh both the requirements and the bider’s bids…

Also, as reference, this was found on Github:

And this is on the forums:

Only tangentially related, but could be added to the development:

And this could be the solution?

Or maybe it is the perfect time for the entire mailing system to be reconsidered?