Osterman Research, Inc.

VENDOR AND SERVICE PROVIDER DIRECTORY
MESSAGING OUTSOURCING

Company/Contact Info	Product(s)
1&1 Internet, Inc. 701 Lee Road, Suite 300 Chesterbrook, PA 19087 +1 877 461 2631 www.1and1.com	Microsoft Exchange Hosting
A/S ScanNet Fjordvej 78 DK-6000 Kolding Denmark +45 75 53 35 00 www.scannet.dk	Hosted Exchange
AppRiver LLC 1101 Gulf Breeze Pkwy. Gulf Breeze, FL 32561 +1 850 932 5338 www.appriver.com	Spam and Virus Filtering for Microsoft Exchange, Lotus Notes/Domino, Novell GroupWise, Oracle Collaboration Suite, Sendmail, Linux/Unix, DNS Hosting Microsoft Exchange Hosting
Architel 1950 Stemmons Freeway, Suite 2022 Dallas, TX 75207 +1 214 550 2000 www.architel.com	Fractional IT Solutions
ASP•One, Inc. 230 W. Monroe Street, Suite 2220 Chicago, IL 60606 +1 312 263 4005 www.asp-one.com	Hosted Microsoft Exchange Hosted Microsoft SharePoint
Atreus Systems, Inc. 200 Elgin Street, Suite 300 Ottawa, ON K2P 1L5 Canada +1 613 233 1741 www.atreus-systems.com	Hosted Exchange
AT&T Corporation One AT&T Way Bedminster, NJ 07921 +1 908 221 2000 www.att.com	AT&T Global Network Services Business Internet Mail Managed Instant Messaging
Berbee Information Networks Corp. 5520 Research Park Drive Madison, WI 53711-5377 +1 608 288 3000 www.berbee.com	Hosted Exchange
Blackspider Technologies 400 Thames Valley Park Drive Reading Berkshire RG6 1PT United Kingdom +44 (0) 118 965 3700 www.blackspider.com	MailControl Enterprise
Blue Ridge Internetworks 210 Ridge McIntire Road, Suite 400 Charlottesville, VA 22903 +1 434 817 0707 www.brnets.com	Hosted Microsoft Exchange 2003
BT Americas, Inc. 350 Madison Avenue New York, NY 10017 +1 646 487 7400 www.btglobalservices.com	Message Management Platform
CenterBeam, Inc. 30 Rio Robles Drive San Jose, CA 95134 +1 408 750 0500 www.centerbeam.com	Hosted Microsoft Exchange Service
Ceryx, Inc. 1920 Yonge St., Suite 201 P.O. Box 15 Toronto, ON M4S 3E2 Canada +1 416 482 9659 www.ceryx.com	Hosted Exchange Business Continuity Messaging Email Firewall
CipherTrust, Inc. 4800 North Point Parkway, Suite 400 Alpharetta, GA 30022 +1 678 969 9399 www.ciphertrust.com	Hosted IronMail
Cobweb Solutions Limited South Barn Cams Estate Fareham Hants PO16 8UT United Kingdom +44 (0) 800 5423 888 www.hostedexchange.co.uk	Hosted Exchange Dedicated Exchange Hosted Windows SharePoint Services Windows 2003 Hosting
CompanyV.com Corporation 1112 Montana Avenue #102 Santa Monica, CA 90403 +1 310 395 7456 www.companyv.com	DeSpaminator
Concentrico 1156 S. State Street, Suite 102 Orem, UT 84097 +1 866 493 9737 www.concentrico.net	Keep/H (Keep Hosted Services)
Connectria 10845 Olive Blvd., Suite 300 St. Louis, MO 63141 +1 314 587 7000 www.connectria.com	Lotus Notes Hosting Domino Web Access (iNotes) Hosting IBM Lotus IM & Web Conferencing (Sametime) Hosting IBM Lotus Team Workplace (QuickPlace) Hosting
Critical Path 2 Harrison Street, 2^nd Floor San Francisco, CA 94105 +1 415 541 2500 www.criticalpath.net	Hosted Messaging Memova Messaging Memova Mobile Memova Anti-Abuse
DataPipe 80 River Street Hoboken, NJ 07030 +1 201 792 4847 www.datapipe.com	Hosted Exchange - Microsoft Exchange Server 2003
DedicatedCentral 1 N. State Street, Suite 1200 Chicago, IL 60602 www.dedicatedcentral.com	SpamFilter SentrySOHO SentryPRO SentryPRO-V PowerScan
DIR A/S Mejlgade 50 Baghuset 8000 Århus C Denmark +45 87 32 44 00 www.dir.dk	Hosted Exchange Server 2003
Domino Hosting Pty Ltd. www.dominohosting.com.au	Lotus Domino - Virtual Hosting Lotus Quickplace - Virtual Hosting Lotus iNotes - Mail Hosting
Dynamic Systems A/S Bjoernholms Allé 22 DK - 8260 Viby J Denmark +45 70 25 20 90 www.dynamicweb.biz	Exchange Hosting
Electric Mail 300 – 3999 Henning Drive Burnaby, BC V5C 6P9 +1 604 482 1111 www.electricmail.com	Hosted Microsoft Exchange 2003 Hosted POP, IMAP and Webmail PerimeterProtect
Electronic Storefronts 859 Emerson Street Denver, CO 80218 +1 303 831 7060 www.electricstores.com	Hosted Exchange
Email Sorting Solutions 35240 Livingston Drive Avon, OH +1 216 503 6310 www.emailsorting.com	Email Sorting Solutions
Ensim Corporation 1366 Borregas Avenue Sunnyvale, CA 94089 +1 408 745 3300 www.ensim.com	Ensim Unify Ensim Pro
eOutlook (service provided by Apptix) 13461 Sunrise Valley Drive, Suite 300 Herndon, VA 20171 +1 703 890 2800 www.eoutlook.com	Hosted Exchange
ePLDT, Inc. 5/F Locsin Building, Ayala cor. Makati Avenues 1200 Makati City, Philippines +632-893-6618 http://www.vitro.epldt.com/	VITRO Hosted Exchange
Equant NV Heathrowstraat 10 1043 CH Amsterdam The Netherlands +31 20 606 9100 www.equant.com	Managed Anti Virus Managed Lotus Notes Managed Microsoft Exchange Managed SMTP Messaging Managed Firewall
Evault 6121 Hollis Street Emeryville, CA 94608 +1 510 903 7100 www.evault.com	EVault Protect EVault Desktop EVault ProMail EVault ProMail Exchange OurEVault
Fenestrae B.V. Loire 128-130 P.O. Box 24016 NL-2490 AA The Hague Netherlands +31 70 301 5100 www.fenestrae.com	Fenestrae for Microsoft Hosted Exchange
Fortiva, Inc. 111 Queen Street East, Suite 502 Toronto, ON M5C 1S1 Canada +1 416 366 6666 www.fortiva.com	FortivaSUITE FortivaARCHIVE FortivaDISCOVERY FortivaPOLICY FortivaREPORTS FortivaSUPERVISION
FrontBridge Technologies, Inc. 4640 Admiralty Way, Sixth Floor Marina del Rey, CA 90292 +1 310 302 0500 www.frontbridge.com	Total Message Management
Global Relay Communications, Inc. 410 Park Avenue, 15^th Floor New York, NY 10022 +1 212 534 3250 www.globalrelay.com	The Message Archiver The Global Gateway (anti-virus, anti-spam)
Globix Corporation 139 Centre Street New York, NY 10013 +1 212 334 8500 www.globix.com	Hosted Exchange
GP Technologies Ltd. GP Technology House Hinderton Road Neston South Wirral CH64 9PQ United Kingdom +44 (0) 151 336 1706 www.gptech.net	Hosted Domino Hosted Exchange
Greenview Data, Inc. 58 Parkland Plaza Ann Arbor, MI 48103 +1 734 996 1300 www.spamstopshere.com	SpamStopsHere
Group Spark, Inc. 121 Middlesex Turnpike, Suite 201 Burlington, MA 01803 +1 781 328 4113 www.123together.com	Hosted Microsoft Exchange Server
Hewlett Packard Development Co., L.P. 3000 Hanover Street Palo Alto, CA 94304-1185 +1 650 857 1501 www.hp.com	Basic Hosted Exchange 2003 Premium Hosted Exchange 2003
Hostbasket N.V. Antwerpsesteenweg 19 9080 Lochristi Belgium +32 9 326 90 95 www.hostbasket.com	Microsoft Hosted Exchange 2003
IntelliReach Corporation 20 CareMatrix Drive, Suite 200 Dedham, MA 02026 +1 781 410 3000 www.intellireach.com	MessageScreen
Interactive Advertising Limited 9 Greenacres Avenue Wokingham, Berkshire RG41 5SX United Kingdom +44 (0) 118 977 3763 www.interads.co.uk	Hosted Exchange
Intermedia.NET, Inc. 156 W. 56^th Street, Suite 1601 New York, NY 10019 +1 800 379 7729 www.intermedia.net	Shared Exchange 2003 Dedicated Exchange 2003
Interned Services Gorslaan 18 1441 RG Purmerend Netherlands +31 0299 476 185	Hosted Exchange
InterNoded, Inc. 200 West Street, 4^th Floor Waltham, MA 02451 +1 781 890 0902 www.internoded.com	Hosted BlackBerry Enterprise Server (BES) Hosted IBM Lotus Notes Hosted Microsoft Exchange Hosted Enterprise Managed Hosting Hosted Small to Medium Business (SMB) Hosted On Demand Messaging
Iron Mountain 745 Atlantic Avenue Boston, MA 02111 +1 617 535 4766 www.ironmountain.com	Electronic Vaulting Services
Jet Multimédia 51 rue Montgolfier 69006 Lyon France +33 04 78 17 16 16 www.jetmultimedia.fr	Jet Hosted Exchange
Lanlogic, Inc. +1 925 273 2300 www.lanlogic.com	Microsoft Exchange Hosting Postini Perimeter Manager
LiveVault Corporation 201 Boston Post Road West Marlborough, MA 01752 +1 508 460 6670 www.livevault.com	Small & Medium Business Services Enterprise Remote Offices Services
Load, Ltd. 6325 McLeod Drive, Suite 8 Las Vegas, NV 89120 +1 702 898 1234 www.load.com	Business E-Mail Service Provider Solutions
Logical Net Corporation 1593 Central Avenue Albany, NY 12205 +1 518 427 7390 www.logical.net	MS Exchange Hosting Red-Mail Corporate Email Solutions
Logicworks 11 Beach Street, Third Floor New York, NY 10013-2429 +1 212 625 5300 www.logicworks.net	Hosted Microsoft Exchange 2003
MailCircuit www.mailcircuit.com	Email Hosting Solutions Spam Assassin Hosting
MailWise, LLC The Electric Carriage House 321 Columbus Avenue Boston, MA 02116-5114 +1 617 267 0044 www.mailwise.com	Inbound Services Outbound Services Emergency Email Access
MCI, Inc. 22001 Loudoun County Parkway Ashburn, VA 20147-6105 +1 703 886 5600 www.mci.com	Managed Email Content Service
MessageLabs Ltd. 1270 Lansdowne Court Gloucester Business Park Gloucester GL3 4AB United Kingdom +44 (0) 1452 627 627 www.messagelabs.com	Anti-Virus Anti-Spam
MessageOne, Inc. 11044 Research Blvd. Building C, Fifth Floor Austin, TX 78759 +1 512 652 4500 www.messageone.com	Emergency Mail System AlertFind OneSwitch
Mi8 Corporation 601 West 26^th Street, 11^th Floor New York, NY 10001 +1 212 727 0911 www.mi8.com	Microsoft Exchange 2003 Hosting and Management
Mistral Internet Tower Point North Road Brighton East Sussex BN1 1YR United Kingdom +44 1273 747 432 www.mistral.net	Hosted Exchange
MX Logic, Inc. 9781 S. Meridian Blvd., Suite 400 Denver, CO 80112 +1 720 895 5700 www.mxlogic.com	Email Defense Service
Nasstar Limited 14-18 Old Street London EC1V 9BH United Kingdom +44 870 240 1634 www.nasstar.com	Hosted email: Exchange
NaviSite, Inc. 400 Minuteman Road Andover, MA 01810 +1 978 682 8300 www.navisite.com	SureHost Microsoft Exchange Lotus Domino
Netrics Hosting AG M. Chipot-Strasse 15 CH-2501 Biel-Bienne Switzerland +41 (0)32 327 33 22 www.netrics.ch	Hosted Exchange 2003
Nomia, Inc. P.O. Box 751 Troy, NY 12181 +1 800 385 0474 www.enomia.com	Microsoft Exchange 2003 Hosting Anti-Spam and Virus/Worm Control Ultimate Anti-Spam Protector
NuXo Technologies, Inc. 4 Cobblestone Lane Belmont, CA 94002 www.nuxo.com	NuXo Managed Email Filtering Services
Pathlink Technology Corporation 568 Weddell Drive Suite 3 Sunnyvale, CA 94089 +1 408 720 7620 www.spamhippo.com	SpamHippo
Postini Corporation 510 Veterans Blvd. Redwood City, CA 94063 +1 650 482 5130 www.postini.com	preEMPT Managed Service
Qordia Communications, Inc. 1868 Drake Drive, Suite 205 Oakland, CA 94611 +1 415 462 0263 www.qordia.com	Microsoft Exchange Email Hosting Regulatory Compliant Email Archiving Anti-Spam
Register.com 575 Eighth Avenue New York, NY 10018 +1 800 699 9638 www.register.com	Microsoft Exchange Hosting Services
Riverwatch Group, Inc. 817 Madison Avenue Covington, KY 41011 +1 859 392 8000 www.riverwatch.com	Managed Lotus Notes Messaging Web-Based Email Messaging Domino QuickPlace and Sametime Web Hosting Services
SaskTel 2121 Saskatchewan Drive Regina, SK S4P 3Y2 Canada +1 888 255 8826 www.sasktel.com	Business E-mail Plus
SAVVIS 1 SAVVIS Parkway Town & Country, MO 63017 +1 314 628 7000 www.savvis.net	Hosted Exchange
ScanSafe Limited The Connection 198 High Holborn London WC1V 7BD United Kingdom +44 (0) 20 7959 0630 www.scansafe.com	ScanSafe Web Virus Scanning ScanSafe Web Filtering ScanSafe Spyware Screening Instant Messaging Control
ServePath 360 Spear Street, 2^nd Floor San Francisco, CA 94105 +1 415 869 7000 www.servepath.com	ServePath MailFilter
SKL Services, Inc. P.O. Box 966 Alvin, TX 77512 +1 281 756 9800 www.sklservices.com	Hosted Spam Virus Solutions
Spam Soap, Inc. 20320 SW Birch, Suite 130 Newport Beach, CA 92660 +1 949 203 6425 www.spamsoap.com	Spam Soap
SPAMfighter ApS Rovsingsgade 88 DK-2200 Copenhagen N Denmark +45 70 22 15 51 www.spamfighter.com	Hosted Spam Filter
Sprint 6200 Sprint Parkway Overland Park, KS 66251 +1 913 624 3000 www.sprint.com	Email Protection Services
SunGard Availability Services 680 Swedesford Road Wayne, PA 19087 +1 800 523 4970 www.availability.sungard.com	Archiving Service for Messaging E-mail Availability Solution
SWsoft, Inc. 13755 Sunrise Valley Drive, Suite 325 Herndon, VA 20171 +1 703 815 5670 www.sw-soft.com	PEM Hosted Exchange
Symantec Corporation 20330 Stevens Creek Blvd. Cupertino, CA 95014 +1 408 517 8000 www.symantec.com	Symantec Hosted Mail Security
Telehouse Europe Coriander Avenue London E14 2AA United Kingdom +44 (0)20 7512 0550 www.telehouse.net	Managed Microsoft Exchange
Tellurian Networks, Inc. 172 Spring Street Newton, NJ 07860 +1 973 300 9211 www.tellurian.com	Spam and Virus Protection
US Internet Corporation 12450 Wayzata Blvd., Suite 121 Minnetonka, MN 55305 +1 800 874 6837 www.usinternet.com	Hosted Exchange
USA.NET, Inc. 1155 Kelly Johnson Blvd., Suite 305 Colorado Springs, CO 80920 +1 719 265 2930 www.usa.net	Hosted Microsoft Exchange
USinternetworking, Inc. One USi Plaza Annapolis, MD 21401-7478 +1 410 897 4400 www.usi.net	Solution Protection Services Continuity Services Compliance Services
Virtual Interactive Center 106A W. Summit Hill Drive Knoxville, TN 37902 +1 865 524 8888 www.vic.com	e-Defense
ZANTAZ, Inc. 5671 Gibraltar Drive Pleasanton, CA 94588 +1 925 598 3000 www.zantaz.com	ZANTAZ Digital Safe
Zix Corporation 2711 N. Haskell Avenue, Suite 2300, LB 36 Dallas, TX 75204-2960 +1 214 370 2000 www.zixcorp.com	ZixAuditor ZixPort ZixVPM