Category: Edge
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Blocking More Obvious Phish – Attachment Filtering
One relatively easy way to block some categories of phishing email is to block the attachment type that is sent with some of these messages. For example, I have had a few of these recently: Hovering over the attachment I see the filename, and it ends .shtml. This attachment is for server-side HTML (SSI includes…
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XOORG, Edge and Exchange 2010 Hybrid
So you have found yourself in the position of moving to Exchange Online from a legacy version of Exchange Server, namely Exchange 2010. You are planning to move everyone, or mostly everyone to Exchange Online and directory synchronization plays a major part (can it play a minor part?) in your plans. So you have made…
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Exchange Edge Server and Common Attachment Blocking In Exchange Online Protection
Both Exchange Server Edge role and Exchange Online Protection have an attachment filtering policy. The default in Edge Server is quite long, and the default in EOP is quite short. There is also a few values that are common to both. So, how do you merge the lists so that your Edge Server attachment filtering…
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Secret NSA Listening Ports in Exchange Server 2013? Of Course Not…
But what do those extra ports in Exchange Server 2013 that are listening actually do. If you bring up a command prompt on an Exchange Server 2013 machine and run netstat –ano | find “:25”. You will get back a list of IP addresses that are listening on any port starting 25. The last number…
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Moving Exchange Online Protection Junk Mail to the Junk Email Folder
If you use Exchange Online Protection (EOP) to filter your email in the cloud and to remove spam and malware before onward delivery to you, and if you use Exchange 2007 or later on-premises, then you need to configure Exchange to move detected spam to the Junk Email folder in Outlook. By default EOP detects…
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Removing Edge Subscription When Exchange 2013 Installed
Exchange 2013 does not have an Edge role (at the time of writing – Aug 2013). It is possible to use Exchange 2010 SP3 and install the Edge role should you need one. There is a problem though when it comes to removing the Edge Subscription between an organization that contains Exchange 2013 servers and…