Baikal with Nginx and https

If you want to have your calendar- and contact-data synchronized and don't want to give it away to third parties, it is possible with very simple means to synchronize it at home on your own server. The flagship in this direction is OwnCloud, which also provides CalDAV and CardDAV for synchronization. However, I had always had problems with the synchronization, and so I wanted to give Baikal a try.
Baikal is a PHP written, small and robust server to synchronize calendar and contact data using CalDAV and CardDAV.

spdns Dynamic DNS Update-Client

Dyn stops its free service.

I've chosen Spdns as an alternative. A service of Secure Point GmbH .
One may invest up to 5 hosts there and can choose between several top-levels-domains.
Registration is simple and straightforward and requires only a username/password and an email-address for submission.
You can reach the service at spdns.de .

The only problem was that my router has no way to deal with this service.

Using Raspberry Pi or Beaglebone Black as Mail-Server

If you are working with more than one computer you might know this problem - your incoming and outgoing mails are spread over your several computers and often enough you have to search one specific mail on several machines.

To avoid that an IMAP-Mailbox with enough storage ist the best solution. But if you are not in the comfortable situation that someone has already done that for you, you might want to build one on your own.

I decided to use my Raspberry Pi to achieve that.

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