Re: ioctl SIOCGIFNETMASK: ip alias bug 2.4.9 and 2.2.19

Matthias Andree (
Sun, 9 Sep 2001 02:37:22 +0200

Kai Henningsen schrieb am Samstag, den 08. September 2001:

[old Postfix versions consider network classes]
> The WHAT?!
> Classes have been dead since around 1993!

In case you missed that from the paragraph below that you quoted,
Postfix tries to look up the netmasks from the interfaces nowadays - and
stumbles across incompatibilities that are the reason for this thread.
You can always manually override this configuration.

> > but there have been many complaints by people that this would
> > get subnets wrong. A couple of months ago, Postfix has started to look
> > up the netmasks as well.

Matthias Andree
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