Exchange 2010 Log locations

SMTP Protocol Log location

Receive Log

C:\Program Files\Microsoft\Exchange Server\V14\TransportRoles\Logs\ProtocolLog\SmtpReceive

Send Log

C:\Program Files\Microsoft\Exchange Server\V14\TransportRoles\Logs\ProtocolLog\SmtpSend

Telnet to Office 365

From command prompt
===========================================

telnet microsoft-com.mail.protection.outlook.com 25

ehlo yourdomain.com          "your Office domain address or domain.com"

mail from: youremail@yourdomain.com      your "Office365 Email address"

rcpt to: unknown@microsoft.com      "random microsoft address will work"

Please remember not to use Backspace in case if typed something wrong, hit enter and retype the whole command or wait till you received the output of the command.

Install Telnet on Windows 7

Previously, we are using the SERVERMANAGERCMD command to install 

Telnet on the client but on Windows 7 this command is deprecated 

SERVERMANAGERCMD -I TELNET-CLIENT

On Windows 7, Use this command from "Command Prompt"

pkgmgr /iu:”TelnetServer”

To install Telnet Server on Windows 7 and Windows Vista






Click Start, and then click Control Panel.


On the Control Panel Home page, click Programs.


Under the section titled Programs and Features, click Turn Windows features on or off.


If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Continue.


In the Windows Features list, select Telnet Server, and then click OK.