Exchange

Overview ProxyLogon" vulnerability refers to a critical security flaw in Microsoft Exchange Server that was disclosed 2021. The vulnerability allowed attackers to gain unauthorized access to Exchange servers and potentially compromise sensitive data. To address this vulnerability, Microsoft released security updates for affected versions of Exchange Server. If you are responsible for managing an Exchange Server, it is essential to ensure that you have installed the necessary security updates to protect your system from exploitation....

Find emails log from a particular sender in the last hour: Get-MessageTrackingLog -Sender "" -Start (Get-Date).addhourse(-1) Find emails log and filter based on sender domain: Get-messagetrackinglog | where {[string]$_.recipients -like "*@domain.com"} Find all emails log from a particular sender between a certain time period: Get-messagetrackinglog -sender [email protected] -Start "02/24/2019 09:00:00" -End "02/25/2019 17:00:00" |ft Timestamp, Source, Sender, Recipients MessageSubject Find all emails log in specific time period and mails sent to any user under “msnoob....

Introduction. On the previous article, we have finished deployeing the Exchange 2019 server. Now, we will continue to configure the basic setting on the Exchange server. Rename and Move Mailbox database: During the installation, Exchange provisions a new mailbox with random name like this: "Mailbox Database 1237333779" and store the database file on C:\ drive. If you want to keep to use this default Mailbox databases, we need to rename and move the mailbox databses to another drive....

On-premise Exchange 2019 Deployment. This can be applied on either Windows-GUI or Windows-Core versions. Please refer the following link to double-check the server requirement. https://learn.microsoft.com/en-us/exchange/plan-and-deploy/system-requirements?view=exchserver-2019 Server Basic Setting: Build a new server or Virtual machine using either Windows 2022 GUI or Windows 2022 Core version. Perform the basic configuration like renaming the server, configure IP, etc. Rename the server name. Rename-Computer -NewName -Restart Disable IPv6 (Change the InterfaceAlias name) Get-Netadapter # Show All interfaces....

Overview Exchange Server is a part of the Microsoft Servers line of products and is primarily used in business environments to manage email communications, calendars, contacts, and tasks within an organization. There are two model of exchange server: On-Premises Exchange Server: On-Premises Exchange Server refers to the traditional deployment model where the Exchange Server software is installed and managed locally on the organization’s own servers within their data center or physical infrastructure....

Introduction Phishing is a type of cyber-attack where the attacker tries to deceive individuals or organizations into revealing sensitive information, such as usernames, passwords, credit card details, or other personal data. Phishing attacks are typically carried out via fraudulent emails, messages, or websites that impersonate legitimate sources, making the victims believe they are interacting with a trusted entity. How a typical phishing attack works: Bait: The attacker crafts a message or email designed to appear as if it’s coming from a well-known and trustworthy source, such as a bank, social media platform, government agency, or a reputable company....

Introdcution WinRM client cannot process the request.. is the most common errors that may be seen when attempting to open the Exchange Management tools (Exchange Management Console and Exchange Management Shell) on Exchange 2010 version. To start off, you first need to be aware that in Exchange 2010, all management is done via Remote PowerShell, even when opening the Management Tools on an Exchange server. Where this differs from Exchange 2007 is that there is now a much larger dependency on IIS, as Remote PowerShell requests are sent via the HTTP protocol and use IIS as the mechanism for connections....

Introduction Exchange 2010 has a built in search feature which allows you to quickly search for emails in your mailbox using OWA, Exchange ActiveSync, Outlook (in the Online mode) etc. Exchange 2010 search indexes items as soon as they are received by the Mailbox Database. While this feature works well, if you just transitioned / migrated from Exchange 2003 or 2007 to 2010, Exchange may not index items brought over from the Exchange 2003/2007 server to the Exchange 2010 server....

Problem Check your edge connection with the following: Start-EdgeSynchronization The output should be like this : [PS] C:\Windows\system32>Start-EdgeSynchronization RunspaceId : 780c62ad-b38a-4a2b-9c71-f79a0ab03bcc Result : Success Type : Recipients Name : [Name_Of_Edge_Server] FailureDetails : StartUTC : 25/05/2012 10:55:53 EndUTC : 25/05/2012 10:55:53 Added : 0 Deleted : 0 Updated : 0 Scanned : 0 TargetScanned : 0 RunspaceId : 780c62ad-b38a-4a2b-9c71-f79a0ab03bcc Result : Success Type : Configuration Name : [Name_Of_Edge_Server] FailureDetails : StartUTC : 25/05/2012 10:55:53 EndUTC : 25/05/2012 10:55:53 Added : 0 Deleted : 0 Updated : 0 Scanned : 0 TargetScanned : 0 If your got Not Connect result, follow these intructions :...