PNG MORE
UI
Pixel
Windows 8 Pack (Metro Style)
Message
DarkSlateGray
26x26
read, Message
PNG ICO ICNS MORE
Gnome icons
Display, Message
Black
24x24
Message, post
Gainsboro
48x48
Tango
Message, new, mail
32x32
Fugue Icons
envelope, Message, Letter
Lavender
Silk
phone, Email, envelope
16x16