PNG ICO ICNS MORE
Desktop apps
Smooth
Farm-fresh
mail
DarkGray
32x32
Box, mail
mail, Trash
UI
Elegant Themes Icons
mail, Forward
48x48
mail, reply
mail, Add
mail, Spam
mail, x
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Files & folders
Spirit20
Add, inbox, mail
20x20
Edit, mail, inbox
mail, delete, inbox
inbox, mail
Business & finance
Primo
Email, send, mail
128x128
Signs & symbols
34aL volume 3.2 SE
mail, envelope
24x24
Function icons
Add, 48, mail
mail, Letter, receive
delete, mail
reply, mail
Spam, mail
mail, write
Mixed
Carpelinx
mail, Find
64x64
mail, delete