The most common type of “550 5.5.1” error messages are: 550 5.1.1 : The email account that you tried to reach does not exist 550 5.1.1 : Recipient rejected 550 5.1.1 : User unknown 550 5.1.1 : Recipient address rejected: User unknown in virtual alias table Major causes of “550 5.5.1” error messages are: Wrong […]
Try the below script, in order to audit or list local administrators. Here is the VBScript Set objGroup = GetObject(“WinNT://./Administrators,group”) For Each objUser In objGroup.Members WScript.Echo “Member found: ” & objUser.Name Next set objGroup = Nothing Here is the Powershell syntax function LogToFile ([string]$strFileName, [string]$strComputer) { Add-Content $strFileName $strComputer } $strComputer = “.” $computer = […]
Follow the below steps to Audit Certification Services: 1. On the CA server, you have to open the CA Properties and check all the options or some options according to our needs. For reference check the below image: 2. After that on the DC (Domain Controller), open Default Domain Policy object and enable the below […]
The below script creates a .evt file which can be used with the Windows Event log Viewer. # Config $logFileName = “Application” # Add Name of the Logfile (System, Application, etc) $path = “C:\temp\” # Add Path, needs to end with a backsplash # do not edit $exportFileName = $logFileName + (get-date -f yyyyMMdd) + […]
Working from Home? Here’s Our Security Tips for Remote Work. Although, we know that either large, medium or small all sizes of companies are under attack. For the moment, working remotely has become an essential for modern companies looking to enlist talent and create business continuity plans. More and more companies are asking their employees […]
If you think your office 365 account is hacked. Due to reasons like below mentioned; You’re seeing changes in email setting i.e. ‘rules’ in Outlook that you didn’t create… or say Sent Items which you didn’t send… or asking to change account details… or hearing from your contact details that you are sending them messages […]
In this article will explain about 2FA (two-factor authentication) and MFA (multi-factor authentication) and why you should care about and use it to secure yourself. As an Admin or IT Professional or an IT user few security steps you can obviously take like; installed antivirus software, set firewall rules, implement encryption technology, and regularly run […]
In Office 365, permissions are required to trace messages like; – Security Admin – Security Reader – View-Only Recipients – Compliance Admin – Data Loss Prevention By default, role group Organization Management has all of the required permissions. There are TWO Methods to track messages in Office 365 – PowerShell and EAC. Office 365 message […]
In this article will see how to find out how many emails / messages were sent or received from Exchange Servers. Below cmdlet will work on Exchange 2010, 2013 and 2016. In order to see how many emails sent or received during one hour from Exchange server below cmdlet will help you out: Get-TransportServer | […]
Phishing and Password attacks is one of the oldest scam on internet and growing day by day due to lack of awareness and training which becomes problem for both individuals and organizations. Phishing emails generally have a links and in a way they represent people usually click on it. After clicking the link it redirects […]