PNG MORE
UI
Glyph
Elysium Icons
opened, Dark, mail
DimGray
24x24
PNG ICO ICNS SVG MORE
Basic interface
Email, mail, inbox
Black
512x512
Email, envelope, Message
envelope, Message, Email
mail, Email, inbox
opened, envelope, mail
PNG SVG MORE
GlyphPack
mail
Free basic
envelope, Message, Rss
CadetBlue
Google Material Design icons
mail, quick, contacts
Typicons
Freecns Cumulus
open, mail
Pictype Free Vector Icons
Email, send, mail
PNG ICO ICNS MORE
Metro UI Dock
Mb, mail
DarkTurquoise
128x128
Mimi Glyphs
envelope, mail
16x16
Mb, mail, sent
mail, Mb, open
256x256
System Tray Icons v2
envelope, mail, Email
iPhone Toolbar icons
opened, mail, Email
26x26
Token
telephone, envelope, mail
Ecqlipse 2
mail, Email, envelope
mail, Live