PNG ICO ICNS MORE
Elegant Themes
reply, mail
DarkGray
48x48
PNG ICO MORE
Carpelinx
Email, Response, mail
64x64
Web Blog
Letter, Message, Response
envelop, Letter, Email
Splashy
Response, reply, Comment
16x16
Comment, reply, Response
Function
mail, envelop, Response
UI
Smooth
Elegant Themes Icons
mail, reply
Desktop apps
Pixel
Splashyfish
reply, Comment
reply, quote, Comments
Function icons
Business & finance
3D
SEM Labs
Mixed