Android and different notification sounds

How to set individual notification sounds for different types of messages (SMS, calendar, email) on Android smartphone. Yes, HTC has support and it’s possible to have different sounds for incoming SMS and Email.

Android email and Postfix with authorization

I have been unable to send a company email from my HTC Android. The solution was to install and configure own outgoing mail server instead of using mobile providers servers. Now I can send an email quickly and easily, using whatever Internet connection is available – home, work, friends wireless connection, wireless hotspot or 3G dongle.