PNG ICO ICNS MORE
UI
Pixel
Gnome icons
open, multiple, mail
Black
24x24
open, mail
48x48
mail, receive
mail, replied
unread, mail, multiple
send, mail
stock, mail
unread, mail
mail, sent
46x47
Desktop apps
envelope, Email, Letter
Lavender
16x16
Splashyfish
mail, Dark
Tan
Down, Dark, mail
new, mail, Dark
mail, Left, Dark
mail, Dark, new
DarkKhaki
stuffed, Dark, mail
mail, Dark, right
light, mail
WhiteSmoke
Up, mail, Dark
light, mail, Left
Down, light, mail
light, mail, new
mail, light, new
mail, light, right