On 2023-10-12 at 08:26:40 UTC-0400 (Thu, 12 Oct 2023 23:26:40 +1100)
Matthew J Black via Postfix-users <matt...@peregrineit.net>
is rumored to have said:

On 12/10/2023 23:19, Wietse Venema via Postfix-users wrote:
If the 'find' command cannot enumerate mode 755 directories, then
this is no longer a problem that receives Postfix support.

Turning off SeLinux is easy.

        Wietse


Thanks for getting back to me.

Yes, turning off SELinux is easy - however, as it is only a thought that that may be the cause (I'll test it tomorrow when I get to work), is there any doco/thoughts/etc on Postfix interacting with SELinux? I mean, surely, people have been running Postfix on RHEL before, right?

These helpfully informative and demonstrative files exist on a CentOS 8Stream machine, so should be available on a RHEL 8 box if the relevant packages are installed:

/usr/share/doc/selinux-policy/html/contrib_postfix.html
/usr/share/doc/selinux-policy/html/contrib_postfixpolicyd.html
/usr/share/man/man8/postfix_bounce_selinux.8.gz
/usr/share/man/man8/postfix_cleanup_selinux.8.gz
/usr/share/man/man8/postfix_local_selinux.8.gz
/usr/share/man/man8/postfix_map_selinux.8.gz
/usr/share/man/man8/postfix_master_selinux.8.gz
/usr/share/man/man8/postfix_pickup_selinux.8.gz
/usr/share/man/man8/postfix_pipe_selinux.8.gz
/usr/share/man/man8/postfix_postdrop_selinux.8.gz
/usr/share/man/man8/postfix_postqueue_selinux.8.gz
/usr/share/man/man8/postfix_qmgr_selinux.8.gz
/usr/share/man/man8/postfix_showq_selinux.8.gz
/usr/share/man/man8/postfix_smtp_selinux.8.gz
/usr/share/man/man8/postfix_smtpd_selinux.8.gz
/usr/share/man/man8/postfix_virtual_selinux.8.gz
/usr/share/selinux/targeted/default/active/modules/100/postfix
/usr/share/selinux/targeted/default/active/modules/100/postfix/cil
/usr/share/selinux/targeted/default/active/modules/100/postfix/lang_ext


As I said, I'll experiment tomorrow, and (apart from waiting for any further SELinux/Postfix feedback) get back with the results that I generate.


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--
Bill Cole
b...@scconsult.com or billc...@apache.org
(AKA @grumpybozo and many *@billmail.scconsult.com addresses)
Not Currently Available For Hire
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