Pawe? Grzesik:
> I think I can do the same in Ruby using IO.popen like:
>
> IO.popen(["/usr/sbin/sendmail", "-G", "-i", my_str], "w") do |pipe|
>
> as I see in this case I don't even need to use my_str with \" \".
>
> But I'm still confused about -f option in master.cf, and characters "--"
> between ${sender} and ${recipient}.
> Why is that?
Specify
popen(["/usr/sbin/sendmail", "-G", "-i", "-f", sender, "--", my_str, "w")
The -- is needed to close a different security hole.
If you don't know about these bugs that go back to 1996 and earlier,
then please don't write code that handles network data.
Wietse
