Exchange Server Quarterly Servicing updates, changes, zero day vulnerability fixes released

Yesterday we released Exchange Server quarterly servicing Cumulative Updates (for Exchange 2013/2016/2019) and Rollup Update (for Exchange 2010) for all supported versions of Exchange Server. Few highlights were, These updates have the fixes to mitigate the zero day and related vulnerabilities. An architectural change to EWS Push notification authentication – this change addresses the EWS…


Download : Microsoft Exchange Server 2019 Public preview

July 24, 2018 we announced the preview build of Exchange Server 2019 and you can download it from here  So you can download, test it, take a look at the Preview and make use of it. For detailed info please refer our EHLO blog post: Hope this helps.


System.Net.Mail: Mail sent via Network delivery throws exception “Command not implemented/supported”

One of the customer reported that whenever he tries to send e-mail by using System.Net.Mail API they get the following error “System.Net.Mail.SmtpException error message: Command not implemented. The server response was: Command not Supported” I had a look at the application. They built a Microsoft Visual Studio 2005 based application and tried to send e-mail…