Introduction


Hermes is the central email store
23,000 users
280GB storage
daily stats: 200K emails, 500K POP, 300K IMAP, 20K webmail, 20K telnet
concurrent: 3000 IMAP, 1000 webmail, 800 telnet, negligible POP

PPSW is the central email relay
more visible to COs than users
relies on Hermes for its user interface
also about 200K emails per day, although large overlap with Hermes