# mailcow: dockerized - 🐮 + 🐋 = 💕 [](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=JWBSYHF4SMC68) **mailcow Bitcoin donations:** 1E5rgzgA1sS3QH7r1ToWxRC3GEavfsGMrx Please see [the official documentation](https://mailcow.github.io/mailcow-dockerized-docs/) for instructions. **Important**: mailcow makes use of various open-source software. Please assure you agree with their license before using mailcow. Any part of mailcow itself is released under **GNU General Public License, Version 3**.