Horde/IMP Deployments

 || Company/Organisation || Users || Servers || Contact || Details ||
 || SAPO Mail (Portuguese ISP) || 1.65M Webmail users || 11 Webmail+imap proxy servers / 2 MySQL servers / 6 Dovecot IMAP servers (dual 3.0GHz Xeon P4, 4GB RAM) || Nuno Loureiro || Running Horde/IMP/Turba/Kronolith/Ingo - Splitted from CVS HEAD on Oct 2003. Running Zend Platform. Screenshot ||
 || SAPO Mail BETA (Portuguese ISP) || 60,000 Webmail users and growing || 2  Webmail+imap proxy servers / 2 MySQL servers / 6 Dovecot IMAP servers (dual 3.0GHz Xeon P4, 4GB RAM) NOTE: All the backend servers (sql, imap, ..) are the same for Webmail and Webmail Beta (see previous entry) || Nuno Loureiro || Running Horde/DIMP/Turba/Kronolith/Ingo - CVS HEAD! Running Zend Platform. Screenshot ||
 || versatel.nl || 250,000 webmail || 5 x dual Xeon 3,2 Ghz 4GB running Apache, imapproxy and perdition on Debian Sarge || Richard Zuidhof || Horde 3.0.x / IMP 4.1.x, ionCube ||
 || University of Michigan || 113,000 || IMP / Horde: 5 x Dell Poweredge 1750 (dual 3.0GHz Xeon P4, 4GB RAM), 9 x SuperMicro 5013S-8 (dual 3.6Ghz Xeon P4, 4GB RAM);  MySQL: 2 x Western Scientific (dual 3.0Ghz Xeon P4, 4GB RAM, RAID 1+0) || Liam Hoekenga || eAccelerator , Cyrus IMAP, UP-IMAPProxy, memcache based sessions ||
 || Columbia University || 85,000 || IMP / Horde: 9 x SunFire v240; Oracle: 1 x SunFire T2000; Cyrus Frontends: 12 x HP DL360; Cyrus Backends: 18 x HP DL360 pairs || Matt Selsky || eAccelerator , Cyrus IMAP, UP-IMAPProxy ||
 || University of Frankfurt || 40,000 ||  || Mail Support Team || Established their own Horde user guide wiki ||
 || University of Giessen || 30,000 ||  || Mail Support Team || Offer Roundcube and Squirrelmail as well ||
 || Ghent University || 30,000 || Debian Etch on some Sun machine ||  ||  ||
 || University of Wuppertal || 15,000 ||  ||  || Horde 4. Deals with about 10.000 logins per day. ||
 || Graz University of Technology || 13,000 || Horde 4, Sun Fire X4100 2x2.4 Ghz Dual-Core AMD Opteron, 4Gb Ram, 2x Sun Fire V20z 2x2200 Mhz AMD Opteron 4Gb Ram, 2 redundant Cisco loadbalancers CSS11503 with cyrpto-cards for SSL accelleration, 2x Sun X4600 4x3.0 Ghz Dual-Core AMD Opteron, 16Gb Ram for mySQL backends in Master-Master replication mode || webmail || SSL is handled by the crypto card on the loadbalancer, PHP is accellerated by xcache, up-imapproxy ||
 || Harvard University, Faculty of Arts and Sciences || thousands || 4 Compaq Tru64 ||  || Details ||
 || University of Texas at Austin, Department of Physics || 1,000 || Dell Poweredge 2650 server, dual Xeon 3.0 Ghz,  1 GB memory, 2 S/W Raid1 volumes || Eric Rostetter ||  ||
 || National Portuguese Government Agency || 1,000 || 8 Mail Servers (Exchange) and 1 Webmail Server (Apache/SSL) ||  ||  ||
 || Linux Information Systems AG || hundreds ||  || Matthias Rolke || We offer a customized horde groupware setup as a frontend for the Kolab Groupware that includes dimp, turba, kronolith, mnemo, nag and ingo. The complete backend consists of Kolab, OpenLDAP, postfix, Apache2 and sieve. Screenshot ||
 || Case Western Reserve University, EECS Department || hundreds || 2 Sun X1 and 1 Sun V280R || Simon Kuhn ||  ||
 || NYU School of Medicine ||  ||  ||  ||  ||
 || Universidad Tecnica Federico Santa Maria ||  ||  ||  ||  ||
 || University of Colorado at Boulder ||  ||  ||  || Details ||
 || Yale University ||  ||  ||  ||  ||
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