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Messaging

Configuring Exchange 2007 Impersonation (Exchange Web Services)
27 Feb
Posted in c# No comments

Configuring Exchange 2007 Impersonation (Exchange Web Services)

Exchange 2007 and 2010 differ in how to configure Impersonation to allow users to send as other users via EWS. This link is the 2007 way: http://msdn.microsoft.com/en-us/library/exchange/bb204095(v=exchg.80).aspx This link is the 2010 way: http://msdn.microsoft.com/library/bb204095.aspx The user to give impersonation rights to is the user id the application or service is being run with, not theRead more about Configuring Exchange 2007 Impersonation (Exchange Web Services)[…]

How to create a Cisco ACL to protect your business from being SPAM blacklisted
10 Jan
Posted in Cisco No comments

How to create a Cisco ACL to protect your business from being SPAM blacklisted

As the mantra says: prevention is better than cure. This is particularly so when it comes to being blacklisted for SPAM. Cleaning up after being listed can take days, and in the mean time you’ll find your client’s email being rejected by various mail servers and basically becoming very unreliable. Read more about How to create a Cisco ACL to protect your business from being SPAM blacklisted …

Why PST spells EVIL in a corporate environment
20 Dec
Posted in Exchange 2007 No comments

Why PST spells EVIL in a corporate environment

I’ve quite often seen in corporate environments the following scenario: The Microsoft Exchange servers have been under specified or outgrown their original requirements which results in disk constraints and ultimately outages. This in turn puts a strain on the IT department to resolve the issue, often without funds or time to do it properly.

So what’s the quick fix? Read more about Why PST spells EVIL in a corporate environment …

People cannot spell my name. How to add Postfix aliases.
17 Dec
Posted in IT Support One comment

People cannot spell my name. How to add Postfix aliases.

Under the postfix system aliases can be created so that an email addressed to a particular address can be delivered to another address. This is handy for email addresses which are often misspelled, or an alias can be used to redirect a generic email address to specific user. For example support@ can be redirected to bob@.

The process for adding aliases is as follows:

The postfix configuration file main.cf which is usually located in /etc/postfix identifies the files being used for aliases. You’re looking for the alias_database and alias_maps directives. Alternatively you can execute postconf which will identify the values in use.

In a default Ubuntu  install you are using /etc/aliases

As root perform the following: Read more about People cannot spell my name. How to add Postfix aliases. …