<?php
//this function will work with open connection and get answer from server
function get_data($smtp_conn)
{
    $data="";
    while($str = fgets($smtp_conn, 515))
    {
        $data .= $str;
        if(substr($str,3,1) == " ") { break; }
    }
    return $data;
}
//creating headers
$header="Date: ".date("D, j M Y G:i:s")." +0700rn";
$header.="From: =?windows-1251?Q?".str_replace("+","_",str_replace("%","=",urlencode('богдан')))."?= <bohdanpukhalsky@ukr.net>rn";
$header.="X-Mailer: The Bat! (v3.99.3) Professionalrn";
$header.="Reply-To: =?windows-1251?Q?".str_replace("+","_",str_replace("%","=",urlencode('богдан')))."?= <bohdanpukhalsky@ukr.net>rn";
$header.="X-Priority: 3 (Normal)rn";
$header.="Message-ID: <172562218.".date("YmjHis")."@ukr.net>rn";
$header.="To: =?windows-1251?Q?".str_replace("+","_",str_replace("%","=",urlencode('богдан')))."?= <bohdanpukhalsky@ukr.net>rn";
$header.="Subject: =?windows-1251?Q?".str_replace("+","_",str_replace("%","=",urlencode('проверка')))."?=rn";
$header.="MIME-Version: 1.0rn";
$header.="Content-Type: text/plain; charset=windows-1251rn";
$header.="Content-Transfer-Encoding: 8bitrn";
//creating text of message
$text = "Hi I`m gonna testing connection.";

//opening connection with smtp server
$smtp_conn = fsockopen("smtp.ukr.net", 465, $errno, $errstr, 10);
if($smtp_conn) {
    echo "letter has been sent successfuly<br>rn";
} else {
    echo "I can`t send a letter<br>rn";
    echo "$errstr ($errno)<br>rn";
    echo "$smtp_conn<br>rn";
    die();
}
echo "$errstr ($errno)<br>rn";
echo "$smtp_conn<br>rn";

//reading answer from server to $data
$data = get_data($smtp_conn);
echo "$data<br>rn";
//start commands for sending
//reading answer from server after every input
fputs($smtp_conn,"EHLO ukr.netrn");
$data = get_data($smtp_conn);
echo "$data<br>rn";

fputs($smtp_conn,"AUTH LOGINrn");
$data = get_data($smtp_conn);
echo "$data<br>rn";

fputs($smtp_conn,base64_encode("bohdanpukhalsky@ukr.net")."rn");
$data = get_data($smtp_conn);
echo "$data<br>rn";

fputs($smtp_conn,base64_encode("password")."rn");
$data = get_data($smtp_conn);
echo "$data<br>rn";

fputs($smtp_conn,"MAIL FROM:bohdanpukhalsky@ukr.netrn");
$data = get_data($smtp_conn);
echo "$data<br>rn";

fputs($smtp_conn,"RCPT TO:bohdanpukhalsky@ukr.netrn");
$data = get_data($smtp_conn);
echo "$data<br>rn";

fputs($smtp_conn,"DATArn");
$data = get_data($smtp_conn);
echo "$data<br>rn";

fputs($smtp_conn,$header."rn".$text."rn.rn");
$data = get_data($smtp_conn);
echo "$data<br>rn";

fputs($smtp_conn,"QUITrn");
$data = get_data($smtp_conn);
echo "$data<br>rn";

?>