taking back posted messages
technical support
telephone numbers
text fonts, see also fonts
text formatting
text signature, inserting
text telephone
text wrap
threads
time interval for checking for new mail
time interval for marking messages
timeout for searches, changing
timeout for servers, changing
tips
To box
toolbar
transferring address book contacts
transferring Business Cards
transferring mail messages
troubleshooting
TTY/TTD
type style, see also fonts
undeleting messages
undo delete
Unicode
Unix-based servers
unread messages
unsubscribing from mail folders
unsubscribing from newsgroups
updating newsgroups, see downloading
URLs, inserting links in messages
user accounts, adding