Thoughts on “VMware Zimbra vs. Microsoft Exchange”

This is a blog post co-authored with Michel de Rooij, his (mirror) post can be found here. In a blog post by Christopher Wells, alias vSamurai, the author positions VMware Zimbra Collaboration Server (ZCS 7.x) as an enterprise-ready drop-in replacement for Microsoft Exchange Server 2010 environments of all sizes. He also suggests Zimbra is a … Continue reading "Thoughts on “VMware Zimbra vs. Microsoft Exchange”"

Setting the Postmaster address in Exchange

Somebody asked me today, whether it is a good idea to set the postmaster address in Exchange. Well, short answer: yes! It's is even mandatory according to RFC 5321 section 4.5.1. For Exchange 2010 you will have to use the Set-TransportConfig cmdlet: Set-TransportConfig -ExternalPostmasterAddress <ExternalPostmasterSMTPAddress> For Exchange 2007 you will have to use the Set-TransportServer … Continue reading "Setting the Postmaster address in Exchange"

Can you easily restrict or accept messages to a Distribution Group?

Today’s question of the day is whether you can restrict users mailing to a specific Distribution Group in Exchange? Yes, you can. You can add users but also Distribution Groups to the list of who the Distribution List will accept messages from. The messages of members of the Distribution will then be accepted. A (mail … Continue reading "Can you easily restrict or accept messages to a Distribution Group?"

Mail enabled Public Folder Recipient not found

Edit 6th may 2010: Similar issue with same solution is confirmed and will be patched by Microsoft. See here. Recently I transitioned an Exchange 2003 Server to Exchange 2010. For the client redirection, I mostly wait two week before decommissioning the old Exchange server. Mailboxes, mail flow, remote access and the default Public Folder are … Continue reading "Mail enabled Public Folder Recipient not found"

The Road to Exchange 2010: Active Directory and Exchange Part 3

In part 1 we’ve discussed the Exchange Mode, Domain Controllers and Schema Master compatibility. In part 2 we’ve discussed the Global Catalog and the Domain and Forest Functional level up to Windows 2008. So, that leaves us with Windows Server 2008 R2. During the time it took to write this series of blogs a lot … Continue reading "The Road to Exchange 2010: Active Directory and Exchange Part 3"

The Road to Exchange 2010: Active Directory and Exchange Part 2

In part 1 of this series, I discussed the requirements of Exchange Mode, Domain Controllers and the Schema Master in combination of various versions of Exchange. In this post I will discuss the placement of Global Catalogs (GC), the Domain Functional Level (DFL) and Forest Functional level (FFL) required. In part 3 I will discuss … Continue reading "The Road to Exchange 2010: Active Directory and Exchange Part 2"

The Road to Exchange 2010: Active Directory and Exchange Part 1

*** edit: updated 28/9/2009 with corrections of some errors/typo’s and added compatibility matrices In my post The Road to Exchange 2010: Migration paths I’ve discussed about the different possible migration transition paths to Exchange Server 2010. Primarily which Exchange version can be installed on which version of Windows Server and which co-existing Exchange versions are … Continue reading "The Road to Exchange 2010: Active Directory and Exchange Part 1"

Installing Exchange 2010 Beta: Quick Preparation

Just a few quick tips for those who want a quick result when preparing and installing for Exchange 2010 Beta. The past few days I've installed this beta too many times not to be wondering how to speed things up. So I wound up with two batch files. No unattend file (yet?) though. I already … Continue reading "Installing Exchange 2010 Beta: Quick Preparation"

Exchange 14: Expectations and wishes *update*

So at Tech-Ed 2008 EMEA IT Pro, I heard very little about the next version of my favorite groupware solution: Exchange 14. Also searching the net, didn't come up with a lot of results. But that is probably because there is still a non-disclosure agreement in place on those who already know more. Grrrrr. On … Continue reading "Exchange 14: Expectations and wishes *update*"