How to set envelope sender (MAIL FROM) using exim

[Longman]

* Marcus Williams wrote:
> On 25.9.2008, Longman wrote:
>>> I think mail supports passing on args to sendmail using:
>> I know sendmail has the -f option but this reads from a file on an exim
>> based system. :-S
> 
> Not according to my exim manpage :) Note the double dash in the
> command line, this makes the -f argument get passed through to sendmail
> (or equivalent). Without it you're passing -f to mail which does
> indeed read a fil�...

Well I apologise kind sir! :-)

I shall go re-read the man page and have a play (though I've got it
working now so it's purely for academic purposes)