On Thu, Jun 17, 2021 at 05:18:54PM +1000, Simon Wilson wrote:
> ----- Message from Bastian Blank
> <bastian+postfix-users=postfix....@waldi.eu.org> ---------
> Date: Thu, 17 Jun 2021 07:59:10 +0200
> From: Bastian Blank <bastian+postfix-users=postfix....@waldi.eu.org>
> Subject: Re: Mail not being sent to file
> To: postfix-users@postfix.org
>
>
> >On Wed, Jun 16, 2021 at 05:59:16PM -0700, Jeremiah Rothschild wrote:
> >>To triple check my sanity, I created a brand new VM and confirmed the
> >>behavior.
> >>So anyone should be able to easily reproduce this.
> >>
> >>* Fresh CentOS 8.4 install
> >>* Choose "Minimal" base environment
> >>* Defaults for everything else
> >>
> >># yum -y update
> >># yum -y install postfix mailx
> >># systemctl start postfix
> >># echo "somealias: /tmp/somefile" >> /etc/aliases && newaliases
> >># echo "test" | mail somealias@localhost
> >># ls /tmp/somefile
> >
> >Just don't assume /tmp or /var/tmp are the same between services.
> >
> >Postfix on RHEL 8 is configured with private /tmp. To be exact:
> >| PrivateTmp=true
> >| CapabilityBoundingSet=~ CAP_NET_ADMIN CAP_SYS_ADMIN CAP_SYS_BOOT
> >CAP_SYS_MODULE
> >| ProtectSystem=true
> >| PrivateDevices=true
> >
> >Bastian
>
>
> ----- End message from Bastian Blank
> <bastian+postfix-users=postfix....@waldi.eu.org> -----
>
> Yup.
>
> Using a directory other than /tmp works fine on RHEL8:
>
> [root@emp87 ~]# chmod 1777 /home/simon
> [root@emp87 ~]# echo "somealias: /home/simon/somefile" >>
> /etc/aliases && newaliases
> [root@emp87 ~]# echo "test" | mail somealias@localhost
> [root@emp87 ~]# cd /home/simon
> [root@emp87 simon]# cat /home/simon/somefile
> {content as expected}
Thanks guys. You are right -- this does work.
My previous example worked for a long time. Not sure why it suddenly became
broken but I will try to dig into that some more.
> Simon.
>
> --
> Simon Wilson
> M: 0400 12 11 16
>
