There are many mailing services You can choose from but nothing can be like what You make yourself. In this tutorial I’m going to set up a Mail server using Dovecot and Postfix on an Ubuntu server.
Also I’m going to setup certificates using the openssl for Digitally Sign and Encrypt outgoing emails so they won’t end up in the Spam folder of Gmail and other mailing services.

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There are so many use cases for an Android phone. one of them will be using it as a Microphone which has a rather Great Quality and a rather Low Latency. Most normal headsets and earphones have a microphone integrated in them but almost all of them don’t have such good quality, even cheap microphone that you buy in stores have so much noise when you raise the volume. But how about a free microphone out of your android phone?

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