smtp.php
1
2class smtp
3
4{
5
6/* Public Variables */
7
8var $smtp_port;
9
10var $time_out;
11
12var $host_name;
13
14var $log_file;
15
16var $relay_host;
17
18var $debug;
19
20var $auth;
21
22var $user;
23
24var $pass;
25
26/* Private Variables */
27var $sock;
28
29/* Constractor */
30
31function smtp($relay_host = "", $smtp_port = 25,$auth = false,$user,$pass)
32
33{
34
35$this->debug = FALSE;
36
37$this->smtp_port = $smtp_port;
38
39$this->relay_host = $relay_host;
40
41$this->time_out = 30; //is used in fsockopen()
42#
43
44$this->auth = $auth;//auth
45
46$this->user = $user;
47
48$this->pass = $pass;
49
50#
51
52$this->host_name = "localhost"; //is used in HELO command
53$this->log_file = "";
54
55$this->sock = FALSE;
56
57}
58
59/* Main Function */
60
61function sendmail($to, $from, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = "")
62
63{
64
65$mail_from = $this->get_address($this->strip_comment($from));
66
67$body = ereg_replace("(^|(\r\n))(\\.)", "\1.\3", $body);
68
69$header .= "MIME-Version:1.0\r\n";
70
71if($mailtype=="HTML"){
72
73$header .= "Content-Type:text/html\r\n";
74
75}
76
77$header .= "To: ".$to."\r\n";
78
79if ($cc != "") {
80
81$header .= "Cc: ".$cc."\r\n";
82
83}
84
85$header .= "From: $from<".$from.">\r\n";
86
87$header .= "Subject: ".$subject."\r\n";
88
89$header .= $additional_headers;
90
91$header .= "Date: ".date("r")."\r\n";
92
93$header .= "X-Mailer:By Redhat (PHP/".phpversion().")\r\n";
94
95list($msec, $sec) = explode(" ", microtime());
96
97$header .= "Message-ID: <".date("YmdHis", $sec).".".($msec*1000000).".".$mail_from.">\r\n";
98
99$TO = explode(",", $this->strip_comment($to));
100
101if ($cc != "") {
102
103$TO = array_merge($TO, explode(",", $this->strip_comment($cc)));
104
105}
106
107if ($bcc != "") {
108
109$TO = array_merge($TO, explode(",", $this->strip_comment($bcc)));
110
111}
112
113$sent = TRUE;
114
115foreach ($TO as $rcpt_to) {
116
117$rcpt_to = $this->get_address($rcpt_to);
118
119if (!$this->smtp_sockopen($rcpt_to)) {
120
121$this->log_write("Error: Cannot send email to ".$rcpt_to."\n");
122
123$sent = FALSE;
124
125continue;
126
127}
128
129if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body)) {
130
131$this->log_write("E-mail has been sent to <".$rcpt_to.">\n");
132
133} else {
134
135$this->log_write("Error: Cannot send email to <".$rcpt_to.">\n");
136
137$sent = FALSE;
138
139}
140
141fclose($this->sock);
142
143$this->log_write("Disconnected from remote host\n");
144
145}
146
147return $sent;
148
149}
150
151/* Private Functions */
152
153function smtp_send($helo, $from, $to, $header, $body = "")
154
155{
156
157if (!$this->smtp_putcmd("HELO", $helo)) {
158
159return $this->smtp_error("sending HELO command");
160
161}
162
163#auth
164
165if($this->auth){
166
167if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user))) {
168
169return $this->smtp_error("sending HELO command");
170
171}
172
173if (!$this->smtp_putcmd("", base64_encode($this->pass))) {
174
175return $this->smtp_error("sending HELO command");
176
177}
178
179}
180
181#
182
183if (!$this->smtp_putcmd("MAIL", "FROM:<".$from.">")) {
184
185return $this->smtp_error("sending MAIL FROM command");
186
187}
188
189if (!$this->smtp_putcmd("RCPT", "TO:<".$to.">")) {
190
191return $this->smtp_error("sending RCPT TO command");
192
193}
194
195if (!$this->smtp_putcmd("DATA")) {
196
197return $this->smtp_error("sending DATA command");
198
199}
200
201if (!$this->smtp_message($header, $body)) {
202
203return $this->smtp_error("sending message");
204
205}
206
207if (!$this->smtp_eom()) {
208
209return $this->smtp_error("sending
<cr><lf>.<cr><lf> [EOM]");
}
if (!$this->smtp_putcmd("QUIT")) {
return $this->smtp_error("sending QUIT command");
}
return TRUE;
}
function smtp_sockopen($address)
{
if ($this->relay_host == "") {
return $this->smtp_sockopen_mx($address);
} else {
return $this->smtp_sockopen_relay();
}
}
function smtp_sockopen_relay()
{
$this->log_write("Trying to ".$this->relay_host.":".$this->smtp_port."\n");
$this->sock = @fsockopen($this->relay_host, $this->smtp_port, $errno, $errstr, $this->time_out);
if (!($this->sock && $this->smtp_ok())) {
$this->log_write("Error: Cannot connenct to relay host ".$this->relay_host."\n");
$this->log_write("Error: ".$errstr." (".$errno.")\n");
return FALSE;
}
$this->log_write("Connected to relay host ".$this->relay_host."\n");
return TRUE;;
}
function smtp_sockopen_mx($address)
{
$domain = ereg_replace(" ^.+@([^@]+)$ ", "\1", $address);
if ( !@getmxrr($domain , $MXHOSTS)) {
$this->log_write("Error: Cannot resolve MX "".$domain.""\n");
return FALSE;
}
foreach ($MXHOSTS as $host) {
$this->log_write("Trying to ".$host.":".$this->smtp_port."\n");
$this->sock = @fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out);
if (!($this->sock && $this->smtp_ok())) {
$this->log_write("Warning: Cannot connect to mx host ".$host."\n");
$this->log_write("Error: ".$errstr." (".$errno.")\n");
continue;
}
$this->log_write("Connected to mx host ".$host."\n");
return TRUE;
}
$this->log_write("Error: Cannot connect to any mx hosts (".implode(", ", $MXHOSTS).")\n");
return FALSE;
}
function smtp_message($header, $body)
{
fputs($this->sock, $header."\r\n".$body);
$this->smtp_debug("> ".str_replace("\r\n", "\n"."> ", $header."\n> ".$body."\n> "));
return TRUE;
}
function smtp_eom()
{
fputs($this->sock, "\r\n.\r\n");
$this->smtp_debug(". [EOM]\n");
return $this->smtp_ok();
}
function smtp_ok()
{
$response = str_replace("\r\n", "", fgets($this->sock, 512));
$this->smtp_debug($response."\n");
if (!ereg("^[23]", $response)) {
fputs($this->sock, "QUIT\r\n");
fgets($this->sock, 512);
$this->log_write("Error: Remote host returned "".$response.""\n");
return FALSE;
}
return TRUE;
}
function smtp_putcmd($cmd, $arg = "")
{
if ($arg != "") {
if($cmd=="") $cmd = $arg;
else $cmd = $cmd." ".$arg;
}
fputs($this->sock, $cmd."\r\n");
$this->smtp_debug("> ".$cmd."\n");
return $this->smtp_ok();
}
function smtp_error($string)
{
$this->log_write("Error: Error occurred while ".$string.".\n");
return FALSE;
}
function log_write($message)
{
$this->smtp_debug($message);
if ($this->log_file == "") {
return TRUE;
}
$message = date("M d H:i:s ").get_current_user()."[".getmypid()."]: ".$message;
if ( !@file_exists($this->log_file ) || !($fp = @fopen($this->log_file, "a"))) {
$this->smtp_debug("Warning: Cannot open log file "".$this->log_file.""\n");
return FALSE;;
}
flock($fp, LOCK_EX);
fputs($fp, $message);
fclose($fp);
return TRUE;
}
function strip_comment($address)
{
$comment = "\([^()]*\)";
while (ereg($comment, $address)) {
$address = ereg_replace($comment, "", $address);
}
return $address;
}
function get_address($address)
{
$address = ereg_replace("([ \t\r\n])+", "", $address);
$address = ereg_replace("^.<(.+)>.$", "\1", $address);
return $address;
}
function smtp_debug($message)
{
if ($this->debug) {
echo $message;
}
}
}
1
2test.php
/*
这是一个测试程序!!!
请按照说明设置好以下的参数,以下是以tom.com的用户为例设置好的.
*/
require("sm.php");
##########################################
$smtpserver = "smtp.tom.com";//SMTP服务器
$smtpserverport =25;//SMTP服务器端口
$smtpusermail = " [email protected]";//SMTP 服务器的用户邮箱
$smtpemailto = " [email protected]";// 发送给谁
$smtpuser = "someone";//SMTP服务器的用户帐号
$smtppass = "someonepass";//SMTP服务器的用户密码
$mailsubject = "Test Subject";//邮件主题
$mailbody = "<h1>This is a test mail</h1>";//邮件内容
$mailtype = "HTML";//邮件格式（HTML/TXT）,TXT为文本邮件
##########################################
$smtp = new smtp($smtpserver,$smtpserverport,true,$smtpuser,$smtppass);//这里面的一个true是表示使用身份验证,否则不使用身份验证.
$smtp->debug = TRUE;//是否显示发送的调试信息
$smtp->sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype);