To begin,
Charity: WaterRough draft:
Dear Charity: Water,
The Bitcoin community would like to introduce to you Bitcoin <https://bitcoin.org> as a new open-source P2P system that may help to benefit your organization by providing a means to accept small donations nearly effortlessly and with a near zero monetary overhead.
[insert brief paragraph here on how the charity/organization can establish using Bitcoin to contribute towards their donations/funding]
Warmest regards,
The Bitcoin community
sources:
creighto,
kiba
As this particular letter is written well enough, I foresee it can be used as a template.
Draft taken from above and made into template:
Dear [charity],
The Bitcoin community would like to introduce to you Bitcoin <https://bitcoin.org> as a new open-source P2P system that may help to benefit your organization by providing a means to accept small donations nearly effortlessly and with a near zero monetary overhead.
[insert brief paragraph here on how the charity/organization can establish using Bitcoin to contribute towards their donations/funding]
Warmest regards,
The Bitcoin community