Hi,

I'm heaving problems sending email from zimbra
Release 8.0.3_GA_5664.RHEL6_64_20130305090204 CentOS6_64 FOSS edition.

in logs i get
Code:
May 21 14:19:09 webmail postfix/smtpd[16911]: warning: connect to private/policy: No such file or directory
May 21 14:19:10 webmail postfix/smtpd[16911]: warning: connect to private/policy: No such file or directory
May 21 14:19:10 webmail postfix/smtpd[16911]: warning: problem talking to server private/policy: No such file or directory
when i tray to send email i get the flowing error:
Code:
Message not sent; one or more addresses were not accepted.
Rejected addresses: vukomir@gmail.com
method:	[unknown]
msg:	Invalid address: vukomir@gmail.com. com.zimbra.cs.mailbox.MailSender$SafeSendFailedException: MESSAGE_NOT_DELIVERED; chained exception is: com.zimbra.cs.mailclient.smtp.InvalidRecipientException: RCPT failed: Invalid recipient vukomir@gmail.com: 451 4.3.5 Server configuration problem
code:	mail.SEND_ABORTED_ADDRESS_FAILURE
detail:	soap:Sender
trace:	qtp1347725365-126:https://78.46.104.104:443/service/soap/SendMsgRequest:1369138640774:ad6cdd85e3f6d9c1
request:	
Body: {
  SendMsgRequest: {
    _jsns: "urn:zimbraMail",
    m: {
      did: "35461",
      e: [
        // [0]:
        {
          a: "vukomir@gmail.com",
          t: "t"
         },
        // [1]:
        {
          a: "vukomir@os-ux.com",
          t: "f"
         }
       ],
      id: "35461",
      idnt: "a0dfd904-4142-471e-b5ca-075b34cf5082",
      irt: {
        _content: "<2105357445.11.1369137186155.JavaMail.root@os-ux.com>"
       },
      mp: [
        // [0]:
        {
          ct: "multipart/alternative",
          mp: [
            // [0]:
            {
              content: {
                _content: "dfssdsd 



_____ 


S poštovanjem / With kind regards / Mit freundlichem Gruß 


________________ 


Vucomir Ianculov 


Unix System Engineer 
Str. Orsova Nr.5 
RO-300635 Timisoara 
Romania 
Tel: (+40) 722690514 
e-Mail: vukomir@os-ux.com 
Web: http://www.vukomir.info 
http://penguin-host.com 
http://os-ux.com 
http://os-ux.ro 


"
               },
              ct: "text/plain"
             },
            // [1]:
            {
              ct: "multipart/related",
              mp: [
                // [0]:
                {
                  content: {
                    _content: "<html><body><div style="font-family: arial,helvetica,sans-serif; font-size: 10pt; color: #000000"><div>dfssdsd</div><div><br></div><div><span></span><p style="text-align: left;" class="MsoNormal" data-mce-style="text-align: left;"><span style="font-size: xx-small;" data-mce-style="font-size: xx-small;"><span style="color: rgb(51, 51, 255);" data-mce-style="color: #3333ff;">_____</span><br></span></p><p style="text-align: left;" class="MsoNormal" data-mce-style="text-align: left;"><span style="font-size: xx-small;" data-mce-style="font-size: xx-small;">S poštovanjem <span>/ With kind regards / Mit freundlichem Gruß <br></span></span></p><p style="text-align: left;" class="MsoNormal" data-mce-style="text-align: left;"><span style="font-size: xx-small;" data-mce-style="font-size: xx-small;"><span><span style="color: rgb(51, 51, 255);" data-mce-style="color: #3333ff;">________________</span><br></span></span></p><p style="text-align: left;" class="MsoNormal" data-mce-style="text-align: left;"><span style="font-size: xx-small;" data-mce-style="font-size: xx-small;"><strong><b><span style="font-family: 'Helvetica RO';" data-mce-style="font-family: 'Helvetica RO';"><span style="font-size:10.0pt;font-family:"Helvetica RO"" data-mce-style="font-size: 10.0pt; font-family: 'Helvetica RO';">Vucomir Ianculov<br></span></span></b></strong></span></p><p style="text-align: left;" class="MsoNormal" data-mce-style="text-align: left;"><span style="font-size: xx-small;" data-mce-style="font-size: xx-small;"><span>Unix System Engineer</span></span></p><div style="text-align: justify;" data-mce-style="text-align: justify;"><div style="text-align: left;" data-mce-style="text-align: left;"><span style="font-size: xx-small;" data-mce-style="font-size: xx-small;"><span>Str. Orsova Nr.5 </span></span><br><span style="font-size: xx-small;" data-mce-style="font-size: xx-small;"><span>RO-300635 Timisoara </span></span><br><span style="font-size: xx-small;" data-mce-style="font-size: xx-small;"><span>Romania </span></span><br><span style="font-size: xx-small;" data-mce-style="font-size: xx-small;"><span>Tel: (+40) 722690514</span></span><br><span style="font-size: xx-small;" data-mce-style="font-size: xx-small;"><span>e-Mail: <span class="Object" id="OBJ_PREFIX_DWT201"><span class="Object" id="OBJ_PREFIX_DWT151_com_zimbra_url"><span class="Object" id="OBJ_PREFIX_DWT2291_com_zimbra_url"><a href="http://mailto:vukomir@os-ux.com/" target="_blank" data-mce-href="http://mailto:vukomir@os-ux.com/">vukomir@os-ux.com</a></span></span></span> </span></span><br><span style="font-size: xx-small;" data-mce-style="font-size: xx-small;"><span>Web:   <span class="Object" id="OBJ_PREFIX_DWT202"><span class="Object" id="OBJ_PREFIX_DWT152_com_zimbra_url"><span class="Object" id="OBJ_PREFIX_DWT2292_com_zimbra_url"><a href="http://www.vukomir.info/" target="_blank" data-mce-href="http://www.vukomir.info/">http://www.vukomir.info</a></span></span></span></span></span><br><span style="font-size: xx-small;" data-mce-style="font-size: xx-small;"><span><span class="Object" id="OBJ_PREFIX_DWT202"><span class="Object" id="OBJ_PREFIX_DWT152_com_zimbra_url">            <span class="Object" id="OBJ_PREFIX_DWT2293_com_zimbra_url"><a href="http://penguin-host.com/" target="_blank" data-mce-href="http://penguin-host.com/">http://penguin-host.com</a></span></span></span></span></span><br><span style="font-size: xx-small;" data-mce-style="font-size: xx-small;"><span><span class="Object" id="OBJ_PREFIX_DWT202"><span class="Object" id="OBJ_PREFIX_DWT152_com_zimbra_url">            <span class="Object" id="OBJ_PREFIX_DWT2294_com_zimbra_url"><a href="http://os-ux.com/" target="_blank" data-mce-href="http://os-ux.com/">http://os-ux.com</a></span></span></span></span></span><br><span style="font-size: xx-small;" data-mce-style="font-size: xx-small;"><span><span class="Object" id="OBJ_PREFIX_DWT202"><span class="Object" id="OBJ_PREFIX_DWT152_com_zimbra_url">            <span class="Object" id="OBJ_PREFIX_DWT2295_com_zimbra_url"><a href="http://os-ux.ro/" target="_blank" data-mce-href="http://os-ux.ro/">http://os-ux.ro</a></span></span></span></span></span><br></div><span style="font-size: xx-small;" data-mce-style="font-size: xx-small;"><span></span></span><img style="border: 0pt none;" src="cid:c5700670c7b12d24cde0d47a149a8bbf89f3c3b3@zimbra" data-mce-src="cid:c5700670c7b12d24cde0d47a149a8bbf89f3c3b3@zimbra" data-mce-style="border: 0pt none;"><br><span style="font-size: xx-small;" data-mce-style="font-size: xx-small;"><span><span class="Object" id="OBJ_PREFIX_DWT202"><span class="Object" id="OBJ_PREFIX_DWT152_com_zimbra_url"><span class="Object" id="OBJ_PREFIX_DWT2295_com_zimbra_url"></span></span></span></span></span></div><span></span><br></div></div></body></html>"
                   },
                  ct: "text/html"
                 },
                // [1]:
                {
                  attach: {
                    mp: [
                      // [0]:
                      {
                        mid: "35461",
                        part: "2.2"
                       }
                     ]
                   },
                  ci: "c5700670c7b12d24cde0d47a149a8bbf89f3c3b3@zimbra"
                 }
               ]
             }
           ]
         }
       ],
      su: {
        _content: "dsssd"
       }
     },
    suid: 1369138638204
   }
 },
Header: {
  context: {
    _jsns: "urn:zimbra",
    account: {
      _content: "vukomir@os-ux.com",
      by: "name"
     },
    authToken: "(removed)",
    notify: {
      seq: 4
     },
    session: {
      _content: 11,
      id: 11
     },
    userAgent: {
      name: "ZimbraWebClient - GC26 (Win)",
      version: "8.0.3_GA_5664"
     }
   }
 }
please help me solve this problem.

Thanks
br,
Vukomir