<?php $header = 'Тема'; $letter = ''; $mail = 'mail@mail.ru'; mail($mail, '=?koi8-r?B?'.base64_encode(convert_cyr_string($header, "w","k")).'?=', $letter, "From: BUSINESS-LINK (admin@test.com.ua)<admin@test.com.ua> \r\n" ."Content-type: text/html; charset=windows-1251 \r\n"); ?>