Tommy Berglund via Postfix-users:
> I am using Postfix 3.7.11 on Debian 12
> 
> How can I disable chroot in Postfix?

Change the chroot column to 'n'.

1 - Make  a backup copy of master.cf

2 - Execute the command: postconf -F '*/*/chroot=n'

    There should be no warnings

3 - Verify with "postconf -Mf"

4 - Execute the command: postfix reload

        Wietse

Verify with postconf -F '*/*/chroot' 
> Is it just changing the 5th column in master.cf from y to n or is there
> more to do, before restarting postfix?
> 
> postconf -M
> smtp       inet  n       -       y       -       1       postscreen
> smtpd      pass  -       -       y       -       -       smtpd
> dnsblog    unix  -       -       y       -       0       dnsblog
> tlsproxy   unix  -       -       y       -       0       tlsproxy
> submission inet  n       -       y       -       -       smtpd -o
> syslog_name=postfix/submission -o smtpd_tls_security_level=encrypt -o
> smtpd_sasl_auth_enable=yes -o smtpd_sasl_type=dovecot -o
> smtpd_tls_auth_only=yes -o smtpd_reject_unlisted_recipient=no -o
> smtpd_recipient_restrictions= -o
> smtpd_relay_restrictions=permit_sasl_authenticated,reject -o
> milter_macro_daemon_name=ORIGINATING
> pickup     unix  n       -       y       60      1       pickup
> cleanup    unix  n       -       y       -       0       cleanup
> qmgr       unix  n       -       n       300     1       qmgr
> tlsmgr     unix  -       -       y       1000?   1       tlsmgr
> rewrite    unix  -       -       y       -       -       trivial-
> rewrite
> bounce     unix  -       -       y       -       0       bounce
> defer      unix  -       -       y       -       0       bounce
> trace      unix  -       -       y       -       0       bounce
> verify     unix  -       -       y       -       1       verify
> flush      unix  n       -       y       1000?   0       flush
> proxymap   unix  -       -       n       -       -       proxymap
> proxywrite unix  -       -       n       -       1       proxymap
> smtp       unix  -       -       y       -       -       smtp
> relay      unix  -       -       y       -       -       smtp -o
> syslog_name=postfix/$service_name
> showq      unix  n       -       y       -       -       showq
> error      unix  -       -       y       -       -       error
> retry      unix  -       -       y       -       -       error
> discard    unix  -       -       y       -       -       discard
> local      unix  -       n       n       -       -       local
> virtual    unix  -       n       n       -       -       virtual
> lmtp       unix  -       -       y       -       -       lmtp
> anvil      unix  -       -       y       -       1       anvil
> scache     unix  -       -       y       -       1       scache
> postlog    unix-dgram n  -       n       -       1       postlogd
> maildrop   unix  -       n       n       -       -       pipe
> flags=DRXhu user=vmail argv=/usr/bin/maildrop -d ${recipient}
> uucp       unix  -       n       n       -       -       pipe
> flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail
> ($recipient)
> ifmail     unix  -       n       n       -       -       pipe flags=F
> user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
> bsmtp      unix  -       n       n       -       -       pipe flags=Fq.
> user=bsmtp argv=/usr/lib/bsmtp/bsmtp -t$nexthop -f$sender $recipient
> scalemail-backend unix - n       n       -       2       pipe flags=R
> user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store ${nexthop}
> ${user} ${extension}
> mailman    unix  -       n       n       -       -       pipe flags=FRX
> user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py ${nexthop}
> ${user}
> 
> //tommy
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