Vincent Lefevre via Postfix-users:
> Debian runs most postfix services in a chroot, with the consequence
> that the resolv.conf file may become obsolete. This is a particular
> annoyance on a laptop, where this file typically changes often as
> the laptop moves from one place to another. At
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1070120#27
I think that a suitable configuration for a device on an unstable
IP address is not to run a remotely accessible SMTP daemon, and to
drop off outbound mail to a trusted server instead of sending mail
direct into the Internet. That eliminates most of the threats that
Postfix chroot aims to address, and there is no need to run Postfix
daemons chrooted.
The details of what files, and when, to sync into the chroot jail
are highly dependent on the OS type and OS version. It is therefore
up to the OS distro maintainers to deal with it.
Wietse
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