Packages describing “pop3” as local USE flag

Package“pop3” Flag Description
app-misc/lcd4linuxEnable the pop3 plugin, to get notified about new mails.
mail-mta/netqmailInclude POP3 server
mail-mta/notqmailInclude POP3 server
net-misc/curlEnable Post Office Protocol 3 support

All packages providing a “pop3” USE flag (3)