PNG ICO ICNS MORE
UI
Smooth
Elegant Themes Icons
mail, Add
DarkGray
48x48
mail, Spam
mail, x
mail
PNG MORE
Files & folders
Spirit20
Add, inbox, mail
20x20
Edit, mail, inbox
mail, delete, inbox
inbox, mail
3D
Gnome Web Icons
send, mail, Gnome
Mixed
Pixel
32px Mantra
mail, Box
32x32
PNG ICO MORE
Super Simple Grey Series
64x64
mail, Check
mail, delete
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
mail, Forward
delete, mail
reply, mail
Spam, mail
mail, write
SEM Labs
Message, mail
mail, reply