PNG ICO ICNS MORE
Boxed Metal Icons
mail
Goldenrod
512x512
SimpleShots Icon Collection
128x128
Eloquence!
deleted, mail
32x32
inbox, mail
mail, Spam
Simplicio
mail, envelop, Message
Error, wrong, exclamation
Aqua Gloss
mail, Email, Letter
Email, mail, Letter
Human-O2
Letter, Email, envelop
Onebit I
Message, Email, Letter
48x48
iD
Letter, envelop, Email
256x256
Files & folders
3D
Plump
Mixed
Smooth
envelope, mail, Email
mail, warning
Computer & hardware
Pixel
Bitcons
64x64
Desktop apps
Farm-fresh
mail, Lock, open
Human o2
Kde, Folder, mail