/usr/share/applications/sylpheed.desktop is in sylpheed 3.4.0~beta7-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | [Desktop Entry]
Name=Sylpheed
Name[ja]=Sylpheed
Comment=E-Mail client
Comment[de]=E-Mail Programm
Comment[fr]=Client de messagerie électronique
Comment[hu]=Grafikus email kliens
Comment[ja]=電子メールクライアント
Comment[pl]=Klient poczty elektronicznej
Comment[tr]=E-Posta İstemcisi
Comment[ru]=E-Mail клиент
Comment[uk]=E-Mail клієнт
Comment[es]=Cliente de correo electrónico
Exec=sylpheed %u
Icon=sylpheed
MimeType=message/rfc822;x-scheme-handler/mailto;
Terminal=false
Type=Application
Categories=GTK;Network;Email;News;
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