PNG ICO ICNS SVG MORE
UI
Glyph
Basic interface
Email, mail, inbox
Black
512x512
PNG MORE
Elysium Icons
Email, envelope, Message
DimGray
24x24
envelope, Message, Email
opened, envelope, mail
Free basic
envelope, Message, Rss
CadetBlue
PNG ICO ICNS MORE
Mimi Glyphs
envelope, mail
16x16
System Tray Icons v2
envelope, mail, Email
Token
telephone, envelope, mail
128x128
Ecqlipse 2
mail, Email, envelope