Topic: chroot ptr resolve problem
Helo. I use iRedMail-0.5.1 on Centos 5.4. iRedMail was installed on fresh Centos installation wihtout any other services. Few days ago i decided to use "reject_unknown_client" restriction in "smtpd_sender_restrictions" to prevent spam messages from hosts without valid ptr records. After this postfix started to reject any mail, even from hosts from valid prt records.
This is a record from maillog
Nov 25 11:55:00 email postfix/smtpd: NOQUEUE: reject: RCPT from unknown[22.214.171.124]: 450 4.7.1 Client host rejected: cannot find your hostname, [126.96.36.199]; from=<email@example.com> to=<firstname.lastname@example.org> proto=ESMTP helo=<mail-bw0-f211.google.com>
This problem appears only when postfix run in chroot. When i change setting for smtpd in /etc/postfix/master.cf to remove it from chroot everything works fine. Files resolv.conf, localtime, hosts in /var/spool/postfix/etc/ are same as in/etc/ ones.
I don't want to run postfix without chroot, and i need your help. Thank you!
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