This last logs:
Apr 1 08:20:09 mail postfix/smtpd[7957]: connect from unknown[10.0.2.54]
Apr 1 08:20:09 mail saslauthd[7370]: zmauth: authenticating against elected url 'https://mail.hbglobal.com.tr:7071/service/admin/soap/' ...
Apr 1 08:20:09 mail saslauthd[7370]: zmpost: url='https://mail.hbglobal.com.tr:7071/service/admin/soap/' returned buffer->data='<soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope"><soap:Header><context xmlns="urn:zimbra"><change token="1058"/></context></soap:Header><soap:Body><AuthResponse xmlns="urn:zimbraAccount"><authToken>0_c20114495d0 b4c3229280c69e60fd828aa640e6b_69643d33363a35323062 666162332d306638382d343231662d623866362d3335333063 393935656334393b6578703d31333a31333031383038303039 3835363b76763d313a303b747970653d363a7a696d6272613b </authToken><lifetime>172799999</lifetime><skin>carbon</skin></AuthResponse></soap:Body></soap:Envelope>', hti->error=''
Apr 1 08:20:09 mail saslauthd[7370]: auth_zimbra:
feyzullah.durusoy@elumatec.com.tr auth OK
Apr 1 08:20:09 mail postfix/smtpd[7957]: D260322818F: client=unknown[10.0.2.54], sasl_method=LOGIN, sasl_username=feyzullah.durusoy@elumatec.com.tr
Apr 1 08:20:09 mail postfix/cleanup[7442]: D260322818F: message-id=<001701cbf02c$56e7cc10$04b76430$@durusoy@elumat ec.com.tr>
Apr 1 08:20:09 mail postfix/qmgr[7366]: D260322818F: from=<feyzullah.durusoy@elumatec.com.tr>, size=32502, nrcpt=1 (queue active)
Apr 1 08:20:09 mail amavis[10991]: (10991-05) ESMTP::10024 /opt/zimbra/data/amavisd/tmp/amavis-20110401T081402-10991: <feyzullah.durusoy@elumatec.com.tr> -> <ozgur.yaylali@hbglobal.com.tr> SIZE=32502 Received: from mail.hbglobal.com.tr ([127.0.0.1]) by localhost (mail.hbglobal.com.tr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP for <ozgur.yaylali@hbglobal.com.tr>; Fri, 1 Apr 2011 08:20:09 +0300 (EEST)
Apr 1 08:20:09 mail amavis[10991]: (10991-05) Checking: 0V5KHNQ7elX9 MYNETS [10.0.2.54] <feyzullah.durusoy@elumatec.com.tr> -> <ozgur.yaylali@hbglobal.com.tr>
Apr 1 08:20:10 mail postfix/smtpd[9344]: connect from unknown[10.0.26.104]
Apr 1 08:20:10 mail saslauthd[7369]: zmauth: authenticating against elected url 'https://mail.hbglobal.com.tr:7071/service/admin/soap/' ...
Apr 1 08:20:10 mail saslauthd[7369]: zmpost: url='https://mail.hbglobal.com.tr:7071/service/admin/soap/' returned buffer->data='<soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope"><soap:Header><context xmlns="urn:zimbra"><change token="2104"/></context></soap:Header><soap:Body><AuthResponse xmlns="urn:zimbraAccount"><authToken>0_7cd68139d0e 6e83cb2fa43f67a4236b04d0c3b82_69643d33363a31373739 663431322d393461352d343934652d386563632d3337633266 356239333061663b6578703d31333a31333031383038303130 3430353b76763d313a303b747970653d363a7a696d6272613b </authToken><lifetime>172800000</lifetime><skin>carbon</skin></AuthResponse></soap:Body></soap:Envelope>', hti->error=''
Apr 1 08:20:10 mail saslauthd[7369]: auth_zimbra:
vildan.molla@murat.com.tr auth OK
Apr 1 08:20:10 mail postfix/smtpd[9344]: 6588E2281A9: client=unknown[10.0.26.104], sasl_method=LOGIN, sasl_username=vildan.molla@murat.com.tr
Apr 1 08:20:10 mail postfix/cleanup[12215]: 6588E2281A9: message-id=<002401cbf02c$56fb05f0$04f111d0$@molla@murat.co m.tr>
Apr 1 08:20:10 mail postfix/qmgr[7366]: 6588E2281A9: from=<vildan.molla@murat.com.tr>, size=2527, nrcpt=1 (queue active)