PNG ICO ICNS SVG MORE
Mixed
Smooth
Tango Icon Library
mail, Forward
Black
512x512
Sender, reply, mail
receive, mail, send
Attachment, mail
PNG ICO ICNS MORE
Desktop apps
Prime Dock Icons 2
mail
Shiny Icon Set
mail, Message, envelope
64x64
Music & multimedia
Gakuseisean
256x256
Signs & symbols
Super Mono Basic
Basic, mail, yellow
48x48
Social media
Brushed Metal Icons
Packy
mail, Email, Closed
mail, open
PNG ICO MORE
Shopping & e-commerce
Super Mono Reflection
mail, green
mail, yellow
Farm-fresh
Aol, mail
32x32
PNG MORE
Files & folders
Spirit20
Closed, delete, mail
20x20
Add, Closed, mail
Closed, Edit, mail
Closed, mail, receive
Closed, send, mail
Closed, mail
Edit, mail, Closed
mail, Closed, send
mail, open, send
open, mail, receive