Donor blood.rf - quick search for blood donor in emergency situations

Hello!
How often do you receive messages in ICQ and social news that a child needs a blood donor and someone else needs a blood donor and more and more? And all of them are not from my city and often I have the wrong blood type and rhesus does not fit. Those. even with a great desire to help them with my blood, I could not. Over time, such messages began to be perceived as spam, although it would seem that people have trouble.

Last week, after the next message, I thought, what if you make a website where everyone can leave their data: blood group, Rh factor, e-mail and city of residence, and everyone in need can write a message that only those who receive can really help?

UPD Forgot to mark. Added donor blood.rf to the program LENOVO DO NETWORK , support it! Thank!
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The idea is formulated in one sentence. Implementation is also not an extremely difficult task. You just have to sit down and do it! I bought a domain right away. Began to do immediately. Then he deleted everything and rewrote it overnight. Yesterday morning I put everything in public.
What remains to be done: add the script for the e-mail distribution, add the function of collecting statistics on the read messages.

Question to all. How not to get into the spam lists e-mail services?
Thanks for attention!
Website: donor blood.rf