Martin Lambers

The `-t` option tells msmtp to read recipients from the mail, so it in this example it uses whatever is in the `To` header. You could use `aliases /etc/aliases` in...

I like your ideas, but there are a few drawbacks: - This header processing somewhat contradicts the goal of msmtp to do only what is necessary. - The current header...

Sorry, I consider this header processing out of scope for msmtp. That looks like a job for a specialized mail filter program.