logo of the OpenPGP MUA plugin <i><a href="https://en.wikipedia.org/wiki/Enigmail" class="extiw" title="w:Enigmail">Enigmail</a></i> as of version 2.0.2
Elio Qoshi (<a rel="nofollow" class="external text" href="https://ura.design/">Ura Design</a>)
MPL 2
Own work  using: <a rel="nofollow" class="external free" href="https://github.com/uracreative/works/blob/main/Enigmail/Logo/SVG/vertical_color.svg">https://github.com/uracreative/works/blob/main/Enigmail/Logo/SVG/vertical_color.svg</a>