PNG ICO ICNS MORE
Mixed
Smooth
Bunch of Bluish Icons
mail, delete
Black
512x512
Info, mail
group, mail
mail, user
mail
MediumTurquoise
new, mail
mail, Recieve
Computer & hardware
Etheral 2
WhiteSmoke
128x128
Photography & graphic design
Weaver Icon Set
LightGray
mail, new
new, Check, mail
send, mail
write, mail
Gainsboro
Simplicio
envelope, mail, Email
Goldenrod
receive, mail
search, mail
mail, warning
Animals
Monster icons
Email, mail
48x48
Copenhagen
mail, no attribution, Email
64x64
Shopping & e-commerce
Pretty Office part 3
Gold
256x256
Business & finance
Project icons
Stamp, mail
CornflowerBlue
32x32