PNG ICO ICNS MORE
Desktop apps
Smooth
Prime Dock Icons 2
mail
Black
512x512
Shiny Icon Set
mail, Message, envelope
64x64
Farm-fresh
Aol, mail
32x32
KDE Crystal Diamond
Kontact, mail
22x22
mail, delete
mail, envelope
Forward, mail
new, mail
mail, Get
reply, mail
replyall, mail
send, mail