> For example, a user can only send e-mail through the server
> if his request
> is from IP
> within 12.34.56.1 - 12.34.56.255 or 23.45.67.1 - 23.45.67.255.
>
> I realize that I can disable connection at firewall level,
> but I suppose
> that I can do it from Exim as well?
>
>
> >This is impossible. try:
> >hosts = 12.34.56.0/24 : 23.45.67.0/24
> What does the line above do? In particular, what the
> semantics of "/" here?
>
> Thank you for your time.
>
> LS
>
>
/24 is marking the number of adresses matching.
It's the same as the netmask 255.255.255.0 (class-c)
/32 means one address
/31 two
/30 four
and so on...
Mit freundlichen Grüßen
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Systemtechnik Internet
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