Slow Sendmail under RedHat 8.0 - why???

[Balazs Laszlo <balazslaci1983 yahoo com>]

Hi!

I installed RedHat 8.0 but when i try to send an
e-mail with the mail() function under php, it takes 1
minutes to send 1 e-mail!

Where to search the solution?
What's sendmail's mailing list? 

Thanks for your answer!

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