Category Archives: Exchange Server 2016

Checking if a mailbox is valid using Exchange Management Shell

In some scenarios we need to check if a mailbox database is valid on Exchange Server, this kind of validation is useful when migrating/transitioning mailboxes. Solution In order to validate…

Using PowerShell to test SMTP

Using PowerShell to simplify the SMTP test in an Exchange Server or any other SMTP server.  Solution I’ve been using telnet for a while (since Exchange 5.5 to be honest)…

Managing a new Exchange Server 2016 EAC having your mailbox on a previous version

During the transition between Exchange Server 2010/2013 to Exchange Server 2016, before moving the mailboxes any administrator that tries to access the EAC will be redirected to the legacy system….

Quarantine messages in Exchange Online Protection (EOP) from the end-user perspective

In this Tutorial we are going to check the required steps for an end-user to check its quarantine messages in EOP.  In some customers, I see the Service Desk Team…

How to download Office Online Server

A simple Tutorial explaining how a Volume License customer is able to find Office Online Server in the website.  Solution I had a customer asking me that a few days…

Creating basic ActiveSync reports

In this Tutorial we are going over the basics to generate basic ActiveSync reporting in Exchange Server 2010 and the same applies to newer versions of Exchange Server. Solution The…

Managing accepted domains in Office365

When enabling EOP (Exchange Online Protection) the administrator is able to configure the mail flow to accept all messages from any given domain and then forward to the on-premises environment,…

Drown attack and Exchange Server

In this Tutorial we are going to check if an Exchange Server is vulnerable to the Drown attack, the same procedure can be used on any server that runs IIS,…

How to display SMTP info on Outlook Web App

In the users’ options there is a place that provides information to the end-user how to connect using legacy protocols, such as SMTP, POP and IMAP. Solution If you are…

POP3 Server is not accepting connections

How to solve the issue where the POP3 services are running however the server is not accepting connections from external clients. In some cases, a telnet on 110 port starting…