charset problem can you help?

[crzy]

we changed our write setting like that, charset=utf-8 it is works very well in forum.. but when someone register a member they ll get a activation mail you know that but email is coming with bad character so very hard reading.. our forum works only with utf-8 mod. i think we have to change the email write setting but we dont know where is it, could you tell me if you know.. thanks a lot.

a simple
(
****.net nin üye adayı goxxip,
)

normaly
****.net uye adayi goxxip,