PNG ICO ICNS MORE
Network & communications
3D
Hosting
phpmyadmin, host, mysql
Black
128x128
PNG MORE
envelope, Email, mail
WhiteSmoke
132x132
Mixed
Isloo
mail, Email, envelope
PNG ICO MORE
UI
Gnome Web Icons
mail, envelope, open
LightGray
64x64
unread mail, envelope, mail
Business & finance
Sunny Day
Filter, junk, Email
400x400
Avatars & smileys
X-mac
Email, junk, Filter
Computer & hardware
3D icons
Mailbox, Email
256x256
Arzo
envelope, Email
Lavender
48x48
Desktop apps
Flat for Linux
Email, mail, envelope
Shopping & e-commerce
Plastic
Email, envelope
Plastic XP
Filter, Firewall, Block
Stroke
Block, Email
BeOS
Email, beos
Email, envelope, mail
Email, Message, Hand
Signs & symbols
Must Have
sending emails, send, Email
AliceBlue
envelope, post, mail
send, Email, Letter
Discovery
Email, time, Clock
DarkSlateGray
32x32
Email
Gainsboro
Free Applications Icons
Browser, Address, web
SteelBlue
24x24
postcard, envelope, Letter
DodgerBlue