SELinux is preventing /usr/libexec/dovecot/dovecot-lda from 'read' accesses on the sock_file /var/run/dovecot/auth-userdb.

*****  Plugin catchall (100. confidence) suggests  ***************************

If you believe that dovecot-lda should be allowed read access on the auth-userdb sock_file by default.
Then you should report this as a bug.
You can generate a local policy module to allow this access.
Do
allow this access for now by executing:
# grep dovecot-lda /var/log/audit/audit.log | audit2allow -M mypol
# semodule -i mypol.pp

Additional Information:
Source Context                unconfined_u:system_r:dovecot_deliver_t:s0
Target Context                unconfined_u:object_r:dovecot_var_run_t:s0
Target Objects                /var/run/dovecot/auth-userdb [ sock_file ]
Source                        dovecot-lda
Source Path                   /usr/libexec/dovecot/dovecot-lda
Port                          <Unknown>
Host                          (removed)
Source RPM Packages           dovecot-2.0.12-2.fc14
Target RPM Packages           
Policy RPM                    selinux-policy-3.9.7-40.fc14
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Enforcing
Host Name                     (removed)
Platform                      Linux (removed) 2.6.35.11-83.fc14.i686
                              #1 SMP Mon Feb 7 07:04:18 UTC 2011 i686 i686
Alert Count                   17
First Seen                    Tue 31 May 2011 08:26:37 BST
Last Seen                     Tue 31 May 2011 08:56:46 BST
Local ID                      bb471ded-c7a3-4fb2-a62c-dea2f794200b

Raw Audit Messages
type=AVC msg=audit(1306828606.646:14162): avc:  denied  { read } for  pid=12777 comm="dovecot-lda" name="auth-userdb" dev=sda1 ino=39880 scontext=unconfined_u:system_r:dovecot_deliver_t:s0 tcontext=unconfined_u:object_r:dovecot_var_run_t:s0 tclass=sock_file


type=SYSCALL msg=audit(1306828606.646:14162): arch=i386 syscall=access success=no exit=EACCES a0=8c2b6f0 a1=4 a2=71d4e4 a3=8c2b6f0 items=0 ppid=12768 pid=12777 auid=500 uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500 sgid=500 fsgid=500 tty=(none) ses=2029 comm=dovecot-lda exe=/usr/libexec/dovecot/dovecot-lda subj=unconfined_u:system_r:dovecot_deliver_t:s0 key=(null)

Hash: dovecot-lda,dovecot_deliver_t,dovecot_var_run_t,sock_file,read

audit2allow

#============= dovecot_deliver_t ==============
allow dovecot_deliver_t dovecot_var_run_t:sock_file read;

audit2allow -R

#============= dovecot_deliver_t ==============
allow dovecot_deliver_t dovecot_var_run_t:sock_file read;