In a fit of madness, I wrote
> n> and then runs ($sendmail,'-v',@addresses) and then appends the output of
> n> sendmail to a file named after the message-ID of the message.
Oops, this won't produce the desired result if the server is busy enough
that sendmail will queue the messages instead of delivering them
> [Massive complexity snipped]
> Sounds like you have convinced yourself that this isn't worth it.
Yes, but the conviction came only after sending that email.
> I'm rambling here on things that I will almost surely never implement, but
> two simpler ideas present themselves: