MS Exchange

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Exchange 2007 : Resource Room Mailboxes

Scenario : You have an AD account domain, that holds user accounts used to log on to the network/Outlook, and you have a dedicated Exchange 2007 resource forest, that holds the Exchange infrastructure, (linked) mailboxes, etc. Accounts in the account domain are synced from the account domain to disabled accounts in the Exchange forest (e.g. […]

Dynamic Distribution Lists not working as expected (0 recipients during mail routing)

Today, I encountered an interesting problem which appeared to be strange behaviour in Exchange 2007 at first, but fianlly ended up being a small configuration mistake. It just was not that easy to troubleshoot(but in the end, it all makes sense) This is what happened : I created a dynamic distribution list, based on company […]

Free tool – Attachment filtering with Exchange 2007/2010 (custom transport agent)

Keywords : microsoft exchange 2007 attachment size filtering quarantine block reject small zip files attached When messaging admins need to implement some sort of attachment filtering, they mostly think about antivirus products, or using transport rules in Exchange 2007.  I have discovered that not a lot of antivirus products nor the Exchange 2007 built-in functionalities […]

Windows 2008 PKI / Certificate Authority (AD CS) basics

Keywords : Windows 2008 PKI Certificate Authority certutil certreq template root CA Enterprise CA convert pfx to pem generate custom certificate request subject alternate name san attribute Today’s blog post targets the deployment of a Windows 2008 server based Certificate Authority (AD CS) and will discuss some common scenario’s where certificates are used / required. […]

Free Tool – Exchange 2007 Outbound SMTP gateway redundancy

(a.k.a. PVE Exch2007 Rerouter manual) Keywords : Exchange 2007 outbound SMTP relay redundancy SendConnector outgoing mail high availability Microsoft Exchange 2007 allows you to consolidate your messaging infrastructure and host more users on one server. Combined with the introduction of new server roles, Exchange 2007 allows for high levels of redundancy and resilience, ensuring uptime […]

Outlook and OWA Tips & Tricks

1. Manage Attachment behaviour 1.1. Outlook 2007 Although you probably have deployed an antivirus solution in your messaging infrastructure, by default, Outlook blocks access to certain attachments, even if they have been scanned or not. After all, Outlook doesn’t really know if an attachment has been scanned and is safe for you to open. The […]

Free tool – PVE SMTP Open Relay Tester

I have decided to make some of my old (and new) tools and scripts available to the community. The first (6 years old but still useful) tool is my SMTP Open Relay Tester. This small standalone Windows console application (no installation, no dll’s) will test if a given smtp server accepts third party relays or […]

Free tool – Free POP3 Collector

Keywords : Free generic POP3 collector for Microsoft Exchange 2000 Exchange 2003 Exchange 2007 Lotus Domino Server download email from POP3 and forward to SMTP server Over the last 12 years, I have created multiple email addresses hosted with various Internet Providers, or other companies. I’m still using some of those addresses, and my wife […]

Outlook 2007 unable to download Offline Address Book – error 0X8004010F and 0X80190194

I used to run Exchange 2003 in my test lab. After adding a new 2007 Server (HUB, CAS and Mail) in my AD and moving the mailboxes to the 2007 server, I started seeing problems in my Outlook 2007 client that is using cached exchange mode. Under ‘Sync Issues’ I noticed an error about the […]

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