Administration

Why Get-TransportAgent doesn’t agree with the Exchange console

You disable a particular anti-spam agent — let’s say the Content Filtering Agent, using the Exchange Management Console (EMC). Figure 1: Disabling a transport “agent” in the Exchange Management Console Next, you use the Get-TransportAgent command to get the status of transport agents — and surprisingly the Content Filter Agent shows up as Enabled! Figure […]

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HOW TO: Grant Full Mailbox Access permission

Follow-up to previous post “HOW TO: Assign SendAs right using Exchange shell” – the ability to assign SendAs and ReceiveAs permissions is preserved in Active Directory Users & Computers (ADUC), but the ability to grant Full Mailbox Access permission isn’t available. Full Mailbox Access is a mailbox permission (without getting into a debate about what’s […]

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Address Literals in Exchange 2007 and Exchange 2010

RFC 2821 allows the use of a literal form of a recipient’s address, which uses the destination system’s IP address enclosed by square brackets in the domain part, as an alternative to a domain name. Commonly known as address literals, this form of addressing helps in delivery of mail to a recipient when the recipient’s […]

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View membership of a Dynamic Distribution Group

Dynamic Distribution Group is the Exchange Server 2010/2007 term for Query-Based Distribution Groups supported by Active Directory (and therefore Exchange Server 2003/2000) in Windows Server 2003. Unlike normal security and distribution groups, which have static membership (defined by manually adding users/recipients as members of the group), the membership of a Dynamic Distribution Group is determined […]

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Applying Managed Folder Policy to more than one user

Scenario: You have a Managed Folder Mailbox Policy called Policy-DeletedItems90Days. The policy has Managed Content Settings to permanently delete items in the Deleted Items folder after 90 days. You can easily apply this Managed Folder Mailbox Policy to a single user using the Exchange console, as shown in Figure 1. Figure 1: Applying a Managed […]

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Protect users from spam from your own domain in Exchange 2010 and Exchange 2007

One of the common complaints from users and many messaging folks is spam received from senders that appear to be from your own domain. SMTP mail is exchanged with anonymous Internet hosts without any authentication. Headers can be and are effortlessly spoofed. Rather than using an unregistered or invalid domain in the From: header, many […]

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HOW TO: Convert a user mailbox to a resource mailbox

When creating a new mailbox (or a mailbox-enabled user) in Exchange Server 2010/2007, you have the option of creating a user mailbox or a resource mailbox — the latter for conference rooms, or equipment such as projectors, etc. to allow your users to book these resources. If you’ve already created a user mailbox instead, and […]

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RFC 2821, HELO again: Validating the HELO/EHLO domain

RFCs 2821 and 1869 specify the format of HELO/EHLO commands issued by a SMTP client to initiate a SMTP session. RFC 2821 on HELO/EHLO command: 4.1.1.1 Extended HELLO (EHLO) or HELLO (HELO) These commands are used to identify the SMTP client to the SMTP server. The argument field contains the fully-qualified domain name of the […]

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Exchange Server 2007: Managing And Filtering Anti-Spam Agent Logs

Exchange 2007 includes a number of anti-spam agents to filter spam. The anti-spam agents log their actions in (anti-spam) agent logs. The default agent log locations: Exchange 2010: \Exchange Server\V14\TransportRoles\Logs\AgentLog Exchange 2007: \Exchange Server\TransportRoles\Logs\AgentLog Agent Log Configuration You can’t change the agent log location. Here are the available config options: Enable/Disable agent log: On transport […]

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Send as alternate email address in Outlook and Exchange

This is one of the more frequently asked questions in different forums and still a major annoyance – how do I send as an alternate address (aka proxy address or alias)? In most organizations, users have multiple email addresses to meet business requirements such as multiple business units, business names and domain names, mergers, acquisitions […]

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