Exchange 2010: Using certificates from Let's Encrypt (Part 2)

Part 1 has already covered the preparations for Let's Encrypt certificates and Exchange 2010. This article therefore builds directly on Part 1. In part 1, the Exchange organization was adapted accordingly, so part 2 continues directly with the configuration of the public DNS. I forgot to mention that the ... Read more

Exchange 2010: Using certificates from Let's Encrypt (Part 1)

Certificates from Let's Encrypt are becoming increasingly popular, which is hardly surprising as the certificates are free and there are simple clients to obtain the certificates. Let's Encrypt certificates are only valid for 3 months, but the available clients take care of renewing the certificates. Exchange 2016 can even be managed with a small PowerShell ... Read more

Sophos UTM and Let's Encrypt certificates

I stumbled across an interesting workaround for Sophos UTM and Let's Encrypt certificates today: https://github.com/rklomp/sophos-utm-letsencrypt René has taken the trouble to create a script that can automatically renew Let's Encrypt certificates on Sophos UTM. The implementation is relatively simple and worked right away in my test environment. Since the ... Read more

Exchange Server: New updates (March 2017)

New updates have been released for all Exchange Server versions. Click here to download directly: Exchange Server 2016 CU5 Exchange Server 2013 CU16 Exchange Server 2010 SP3 UR17 Exchange Server 2007 SP3 UR23 Click here for details of the changes: Exchange Server 2016 CU5 Exchange Server 2013 CU16 Exchange Server 2010 SP3 UR17 Exchange ... Read more

Receive e-mail with new Exchange updates (Microsoft Security Guide)

In this blog post, Thomas Shinder from Microsoft presented the new "Microsoft Security Guide". The article is quite interesting and well worth reading. I was particularly taken with the last section. It says: The Security Update Guide development API can be used to create a report in CVRF format. To use this API, click the ... Read more

Important update for Exchange 2013/2016

Today an important update was released for the following Exchange Server versions: Microsoft Exchange Server 2013 Service Pack 1 Microsoft Exchange Server 2013 Cumulative Update 14 Microsoft Exchange Server 2016 Cumulative Update 3 It is interesting to note that the Exchange versions are no longer completely up-to-date. There is already CU4 for Exchange 2016, as well as CU15 for ... Read more

Sophos XG: Exchange 2016 and SFOS 16.05 Webserver Protection (Part 2)

In part 1, the basic configuration of Sophos XG in conjunction with Exchange 2016 has already been carried out, but some configuration work is still missing so that Outlook Anywhere, MAPIoverHTTP and the REST Api also work. As already mentioned in part 1, the Sophos templates for business applications are somewhat outdated, so manual improvements are required here. It is somewhat irritating that ... Read more