I am seeing these avc messages on a newly commissioned and up-to-date CentOs-6 virtual guest:
---- time->Thu Dec 4 12:14:58 2014 type=SYSCALL msg=audit(1417713298.610:60522): arch=c000003e syscall=2 success=no exit=-13 a0=7fd70e6de1e6 a1=0 a2=1b6 a3=0 items=0 ppid=2698 pid=4294 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=2784 comm="trivial-rewrite" exe="/usr/libexec/postfix/trivial-rewrite" subj=unconfined_u:system_r:postfix_master_t:s0 key=(null) type=AVC msg=audit(1417713298.610:60522): avc: denied { read } for pid=4294 comm="trivial-rewrite" name="tmp" dev=dm-0 ino=393240 scontext=unconfined_u:system_r:postfix_master_t:s0 tcontext=system_u:object_r:tmp_t:s0 tclass=dir
We are using a locally built Postfix (Postfix-2.8+ is required to support postscreen and CentOS only provides 2.6.6)
rpm -qi postfix Name : postfix Relocations: (not relocatable) Version : 2.11.1 Vendor: (none) Release : 0.el6 Build Date: Thu May 15 14:38:25 2014 Install Date: Fri Nov 28 14:57:25 2014 Build Host: xnet242.hamilton.harte-lyne.ca Group : System Environment/Daemons Source RPM: postfix-2.11.1-0.el6.src.rpm Size : 13111458 License: IBM Signature : (none) URL : http://www.postfix.org Summary : Postfix Mail Transport Agent Description : Postfix is a Mail Transport Agent (MTA), supporting LDAP, SMTP AUTH (SASL), TLS
Re: SELinux. Do I just build a local policy or is there some boolean setting needed to handle this? I could not find one if there is but. . .
getsebool -a | grep postfix allow_postfix_local_write_mail_spool --> on