PNG ICO ICNS MORE
Ultimate Gnome
Message, envelop, mail
WhiteSmoke
128x128
Oxygen-Refit
unread, Letter, envelop
Human-O2
Message, Letter, envelop
mark, Email, mail
UI
Smooth
mark, unread, mail
256x256
Computer & hardware
3D
Human o2
unread, mail
unread, mail, mark
inbox, read, mail
