How to test SMTP operations using Telnet

1. Telnet into Exchange server hosting IMS service using TCP port 25. Command is telnet <servername> 25 2. Turn on local echo on your telnet client so that you can see what you are typing. On Win 9x and NT 3.5/4.0 Telnet client this done by selecting the “preferences” from the “terminal” pull down menu, and checking the local echo radio button.  For Windows 2000 telnet client, issue command “set local_echo”, from the telnet command prompt. 3. Issue the following smtp command sequence helo <your domain name><enter>                   response should be as follows 250 OK mail from: <your Email Address><enter> response…

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Enable/disable firewall from command line

Hello everyone, I’m going to share a few efficient commands for windows or server operating systems in this article. How to disable windows firewall disable or enable from the command line interface. Windows firewall can be enabled/disabled from command line using netsh command. Let’s see the syntax of netsh advfirewall to configure firewall on these Windows versions.  Firewall settings are different for each of the 3 networks (Domain, private, public). So based on which network firewall you want to enable/disable, the command would vary. Windows 10 / Windows 8/ Windows 7 / Server 2008,2012,2016 /Vista: You can turn on firewall for the current network…

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The most important codes used for Microsoft Exchange Importing

Hi guys, Last week I had a problem with Microsoft Exchange databases and one of my databases are corrupted. There had 60 users in the corrupted database and again there were 74 non-working users anymore in the same database. Even I’m not mentioned in the other databases users. Thank god I had backup file because I was taking every night full backup. I hadn’t seen this problem before it. I could have recovered my database but I couldn’t be sure and I choose the hard way for this job. This progress continued for a week but I’m also done. Finally, I…

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