Exchange POP3 Connectivity by Christensen Software [1]
Christensen Software provides high quality solutions for server-based email and communications systems.On these pages you will find information about their current products and trial versions available for download.

Email Archiving - Managed Solution [2]
Email Archiving Solution with secure storage. Our managed email archiving solution
was designed to help companies meet email compliance requirements

CDOLive [3]
Provide non-commercial information, sample code and links to third party add-ons to build solutions with Microsoft Collaboration Data Objects on top of Microsoft Outlook 98/2000, Microsoft Exchange Server 5.5/2000 and Microsoft Active Server Pages
http://www.cdolive.com

ESBK Exchange Blog [4]
Exchange server blog in German by Bernd Kruczek
http://esbkblog.blogs.com/

Exchange D2D [5]
http://exchanged2d.com/

Exchangecode [6]
free code samples and applications focusing on Microsoft Exchange Server and Microsoft Outlook
http://www.exchangecode.com/

Exchangemaster.net [7]
Exchange web site run by Dejan Foro
http://www.exchangemaster.net

Experts Exchange [8]
One of the largest IT communities on the Internet, with over 3.000.000 members and covering a wide range of topics including Microsoft Exchange. The site allows you to post questions and query the database that containes answers to previously asked questions. It also has an interesting point based rating system where you get points for every question you answer. You can use those points to "buy" answers for your questions. You can also participate in their expert ranking system and earn expert levels and recognition.
http://www.experts-exchange.com/Networking/Email_Groupware/Exchange_Server/


Gangl OLX - Outlook and Exchange Solutions [9]
Germany site where you can find many usefull add-ons for Exchange and Outlook
http://www.gangl.de/default.asp

KBAlertz [10]
http://www.kbalertz.com/

MAPILab MAPIStore.com [11]
good source for numerous Exchange and Outlook add-ons
http://www.mapistore.com/

MSExchangeBlog [12]
http://www.msexchangeblog.com

Mailhilfe [13]
A site in German language on e-mail systems
http://www.mailhilfe.de

Msexchangefaq.de [14]
http://Msexchangefaq.de

OpenITx [15]
moderated Exchange server discussion group
http://www.openitx.com/g/OpenITx/MS-EXCHANGE-L.asp

OutlookCode [16]
Programming, code samples ..
http://www.outlookcode.com/

OutlookExchange [17]
http://Outlookexchange.com

SearchExchange.com [18]
http://searchexchange.techtarget.com/

Simpler Web Exchange Resources [19]
Exchange FAQ
http://www.swinc.com/resources/exchange/

Sunbelt software Exchange mailing list [20]
Exchange mailing list
http://www.sunbelt-software.com/forums/exchangelist.cfm

Tek-Tips Forums [21]
http://www.tek-tips.com/gthreadminder.cfm//lev3/15

Windows & .NET Magazine - Exchange and Outlook [22]
http://www.winnetmag.com/MicrosoftExchangeOutlook/