Quoth Nigel Metheringham on Wed, May 10, 2000:
> I am not sure if you can see the connecting IP address prior to
> accepting the connection (ie I cannot think of a portable way) - and if
> you can't then this behaviour can't be emulated at that level.
Tcpwrappers check the originating IP address _after_ accept(2).
Then, if they decide to deny the connection, they just close(2)
it without any explanation.
> Personally I think I prefer the mailer to accept the connection and say
> it can't deal with it now rather than hanging at the connect stage - it
> gives the sender a chance to work out his retry strategy.
Yup. Better than rejecting it right away.
> With regard to the other qmail stuff, it might be easiest to just write
> a qmail director in C and have that as an option for qmail->exim
> transition.
And go around looking for obscure bugs for the rest of your life.
One of my reasons not to install qmail was that it didn't support
traditional .forward files at that time. I couldn't tell all our
users to convert to .qmail.
Vadik.
--
Yes, you can get an account if you promise not to wear ties
anymore.
-- Unknown sysadmin, 1998-10-27.