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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare

Cokiee Shell

Current Path : /proc/self/root/usr/share/doc/pop-before-smtp/

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Current File : //proc/self/root/usr/share/doc/pop-before-smtp/README.rootless-install

At Kevin Lynn <klynn@santacruz.org>'s suggestion, I'm including here
notes on running this daemon as a non-root user.

The daemon has no intrinsic need to run as root. Depending on your
local security practice, it may have no such need at all.

pop-before-smtp has a few permission requirements. It must be able
to read the maillog; it must be able to run and read the output of
postconf; and it must be able to write the db file.

For the simplest installation allowing non-root pop-before-smtp, you
simply must ensure that maillog, and the directory that contains it,
are world readable (default on most systems), and have a special
non-root user, let's say (for purposes of argument) "popbsmtp",
which owns a mode 755 directory in which the db file will be read;
it might be a subdirectory of /etc/postfix/, but it can be anywhere.
/var may be more appropriate. To be concrete, let's say
/var/popbsmtp/. You might create the user with

	useradd -d /no/home -M popbsmtp

(Red Hat options, may vary on other systems).

Then the init invocation might be

	nohup su popbsmtp /usr/sbin/pop-before-smtp \
		--dbfile=/var/popbsmtp/pop-before-smtp

and the /etc/postfix/main.cf entry might look something like

  smtpd_recipient_restrictions = permit_mynetworks,reject_non_fqdn_recipient,
	check_client_access hash:/var/popbsmtp/pop-before-smtp,
	reject_unauth_destination

If your local security policy makes you want to avoid the
world-readable maillog, simply make /var/popbsmtp mode 700, and have
syslogd (which runs as root, and writes with root privs), put the
pop/imap log entries in e.g. /var/popbsmtp/maillog, then invoke the
daemon with a command like

	nohup su popbsmtp /usr/sbin/pop-before-smtp \
		--logfile=/var/popbsmtp/maillog \
		--dbfile=/var/popbsmtp/pop-before-smtp

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