Surat Elektronik
Program
Eudora Pro/Light
Outlook Express
Pegasus
dll.

Contoh alamat E-mail:
windhu@unair.ac.id
saenun@sby.mega.net.id
unair@itb.ac.id
(mailing list Unair)
aids-ina@undip.ac.id
(mailing list AIDS)
faq@whitehouse.gov
movie@ibmpcug.co.uk