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Network & communications
Smooth
Chatting
Email, open, Letter
Lavender
512x512
Social media
Qvoppies
mail
32x32
Mixed
Perqui
48x48
UI
Matte set: Basic
envelope, Message, mail
Oxygen
Forward, mail
mail, Message
mail, Queue
All, mail, reply
replylist, mail
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Desktop apps
KDE Crystal Diamond
24x24