DOCUMENT:Q255753 06-AUG-2002 [exchange] TITLE :XFOR: How to Determine If SSL Works on the Internet Mail Service PRODUCT :Microsoft Exchange PROD/VER::5.0,5.5 OPER/SYS: KEYWORDS:exc5 exc55 ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Exchange Server, versions 5.0, 5.5 ------------------------------------------------------------------------------- SUMMARY ======= This article explains how to verify that Secure Sockets Layer is working on the Exchange Server Internet Mail Service. MORE INFORMATION ================ To verify that Secure Sockets Layer is working on the Exchange Server Internet Mail Service, telnet to port 25 of the Internet Mail Service and type the following: EHLO ..com The Internet Mail Service should return STARTTLS. If STARTTLS is not returned, Secure Sockets Layer is not configured. If the Internet Mail Service is set up to communicate through Secure Sockets Layer with a particular domain, you must enter the domain name after the first EHLO. If you omit the domain, the STARTTLS does not reply. For additional information about Secure Sockets Layer on the Internet Mail Service, click the article number below to view the article in the Microsoft Knowledge Base: Q175439 XFOR: Enabling Secure Sockets Layer For Exchange Server Additional query words: TLS test ====================================================================== Keywords : exc5 exc55 Technology : kbExchangeSearch kbExchange500 kbExchange550 kbZNotKeyword2 Version : :5.0,5.5 Issue type : kbinfo ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2002.