==== Required information ====
- iRedMail version (check /etc/iredmail-release): 0.9.2
- Linux/BSD distribution name and version: ubuntu-14.04.2
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): ldap
- Web server (Apache or Nginx):apache
- Manage mail accounts with iRedAdmin-Pro?
- Related log if you're reporting an issue:
====
I have a symantec messaging gateway infront of the iredmail.
I configured directory integration on the SMG. i can manage user validation query on smg.
But i can not do smtp authentication, I enabled debug on the openldap.
when i try to authenticate for a test user, i get an message;

Aug 24 23:21:01 mail slapd[12718]: conn=1043 fd=39 ACCEPT from IP=10.21.200.230:59633 (IP=0.0.0.0:389)
Aug 24 23:21:01 mail slapd[12718]: conn=1043 op=0 BIND dn="cn=vmailadmin,dc=ihlas,dc=local" method=128
Aug 24 23:21:01 mail slapd[12718]: conn=1043 op=0 BIND dn="cn=vmailadmin,dc=ihlas,dc=local" mech=SIMPLE ssf=0
Aug 24 23:21:01 mail slapd[12718]: conn=1043 op=0 RESULT tag=97 err=0 text=
Aug 24 23:21:01 mail slapd[12718]: conn=1043 op=1 SRCH base="" scope=0 deref=3 filter="(objectClass=*)"
Aug 24 23:21:01 mail slapd[12718]: conn=1043 op=1 SRCH attr=objectclass
Aug 24 23:21:01 mail slapd[12718]: conn=1043 op=1 SEARCH RESULT tag=101 err=0 nentries=1 text=
Aug 24 23:21:01 mail slapd[12718]: conn=1043 op=2 SRCH base="dc=ihlas,dc=local" scope=2 deref=3 filter="(|(mail=yavuz.maslak@test.ipa.com.tr)(?mailAlternateAddress=yavuz.maslak@test.ipa.com.tr))"
Aug 24 23:21:01 mail slapd[12718]: conn=1043 op=2 SRCH attr=1.1 SSHA objectClass mail objectClass javaSerializedData javaClassName javaFactory javaCodeBase javaReferenceAddress javaClassNames javaRemoteLocation
Aug 24 23:21:01 mail slapd[12718]: conn=1043 op=2 SEARCH RESULT tag=101 err=0 nentries=1 text=
Aug 24 23:21:01 mail slapd[12718]: conn=1044 fd=40 ACCEPT from IP=10.21.200.230:55222 (IP=0.0.0.0:389)
Aug 24 23:21:01 mail slapd[12718]: conn=1044 op=0 BIND dn="mail=yavuz.maslak@test.ipa.com.tr,ou=users,domainName=test.ipa.com.tr,o=domains,dc=ihlas,dc=local" method=128
Aug 24 23:21:01 mail slapd[12718]: conn=1044 op=0 BIND dn="mail=yavuz.maslak@test.ipa.com.tr,ou=Users,domainName=test.ipa.com.tr,o=domains,dc=ihlas,dc=local" mech=SIMPLE ssf=0
Aug 24 23:21:01 mail slapd[12718]: conn=1044 op=0 RESULT tag=97 err=0 text=
Aug 24 23:21:01 mail slapd[12718]: conn=1044 op=1 BIND anonymous mech=implicit ssf=0
Aug 24 23:21:01 mail slapd[12718]: conn=1044 op=1 BIND dn="" method=128
Aug 24 23:21:01 mail slapd[12718]: conn=1044 op=1 RESULT tag=97 err=0 text=
Aug 24 23:21:01 mail slapd[12718]: conn=1044 op=2 SRCH base="" scope=0 deref=3 filter="(objectClass=*)"
Aug 24 23:21:01 mail slapd[12718]: conn=1044 op=2 SRCH attr=objectclass
Aug 24 23:21:01 mail slapd[12718]: conn=1044 op=2 SEARCH RESULT tag=101 err=0 nentries=0 text=
Aug 24 23:21:01 mail slapd[12718]: conn=1044 op=3 UNBIND
Aug 24 23:21:01 mail slapd[12718]: conn=1044 fd=40 closed

For SMTP Authentication Query, on the SMG
As default, BaseDN is  dc=ihlas,dc=local
Query Filter is  (|(uid=%u)(mail=%s)(mailAlternateAddress=%s))
Primary email attribute (optional): is  mail
Authentication Method  is Simple Bind

when i try to authenticate with a user
i also  get as below;
- 800400 com.symantec.sms.dds.api.exception.DataAccessConnectionFailureException: Failure connecting to data source: Openldap Reason: Could not create a validated object at com.symantec.sms.dds.dao.SpringLDAP.ExceptionInspector.translateException(Exc

How can i manage to do authenticate successfully  on symantec messaging gateway?