📄 class.smtp.php
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* Recipient($to)
*
* Sends the command RCPT to the SMTP server with the TO: argument of $to.
* Returns true if the recipient was accepted false if it was rejected.
*
* Implements from rfc 821: RCPT <SP> TO:<forward-path> <CRLF>
*
* SMTP CODE SUCCESS: 250,251
* SMTP CODE FAILURE: 550,551,552,553,450,451,452
* SMTP CODE ERROR : 500,501,503,421
*/
function Recipient($to) {
$this->error = null; # so no confusion is caused
if(!$this->connected()) {
$this->error = array(
"error" => "Called Recipient() without being connected");
return false;
}
fputs($this->smtp_conn,"RCPT TO:" . $to . $this->CRLF);
$rply = $this->get_lines();
$code = substr($rply,0,3);
if($this->do_debug >= 2) {
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
}
if($code != 250 && $code != 251) {
$this->error =
array("error" => "RCPT not accepted from server",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
echo "SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF;
}
return false;
}
return true;
}
/*
* Reset()
*
* Sends the RSET command to abort and transaction that is
* currently in progress. Returns true if successful false
* otherwise.
*
* Implements rfc 821: RSET <CRLF>
*
* SMTP CODE SUCCESS: 250
* SMTP CODE ERROR : 500,501,504,421
*/
function Reset() {
$this->error = null; # so no confusion is caused
if(!$this->connected()) {
$this->error = array(
"error" => "Called Reset() without being connected");
return false;
}
fputs($this->smtp_conn,"RSET" . $this->CRLF);
$rply = $this->get_lines();
$code = substr($rply,0,3);
if($this->do_debug >= 2) {
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
}
if($code != 250) {
$this->error =
array("error" => "RSET failed",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
echo "SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF;
}
return false;
}
return true;
}
/*
* Send($from)
*
* Starts a mail transaction from the email address specified in
* $from. Returns true if successful or false otherwise. If True
* the mail transaction is started and then one or more Recipient
* commands may be called followed by a Data command. This command
* will send the message to the users terminal if they are logged
* in.
*
* Implements rfc 821: SEND <SP> FROM:<reverse-path> <CRLF>
*
* SMTP CODE SUCCESS: 250
* SMTP CODE SUCCESS: 552,451,452
* SMTP CODE SUCCESS: 500,501,502,421
*/
function Send($from) {
$this->error = null; # so no confusion is caused
if(!$this->connected()) {
$this->error = array(
"error" => "Called Send() without being connected");
return false;
}
fputs($this->smtp_conn,"SEND FROM:" . $from . $this->CRLF);
$rply = $this->get_lines();
$code = substr($rply,0,3);
if($this->do_debug >= 2) {
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
}
if($code != 250) {
$this->error =
array("error" => "SEND not accepted from server",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
echo "SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF;
}
return false;
}
return true;
}
/*
* SendAndMail($from)
*
* Starts a mail transaction from the email address specified in
* $from. Returns true if successful or false otherwise. If True
* the mail transaction is started and then one or more Recipient
* commands may be called followed by a Data command. This command
* will send the message to the users terminal if they are logged
* in and send them an email.
*
* Implements rfc 821: SAML <SP> FROM:<reverse-path> <CRLF>
*
* SMTP CODE SUCCESS: 250
* SMTP CODE SUCCESS: 552,451,452
* SMTP CODE SUCCESS: 500,501,502,421
*/
function SendAndMail($from) {
$this->error = null; # so no confusion is caused
if(!$this->connected()) {
$this->error = array(
"error" => "Called SendAndMail() without being connected");
return false;
}
fputs($this->smtp_conn,"SAML FROM:" . $from . $this->CRLF);
$rply = $this->get_lines();
$code = substr($rply,0,3);
if($this->do_debug >= 2) {
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
}
if($code != 250) {
$this->error =
array("error" => "SAML not accepted from server",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
echo "SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF;
}
return false;
}
return true;
}
/*
* SendOrMail($from)
*
* Starts a mail transaction from the email address specified in
* $from. Returns true if successful or false otherwise. If True
* the mail transaction is started and then one or more Recipient
* commands may be called followed by a Data command. This command
* will send the message to the users terminal if they are logged
* in or mail it to them if they are not.
*
* Implements rfc 821: SOML <SP> FROM:<reverse-path> <CRLF>
*
* SMTP CODE SUCCESS: 250
* SMTP CODE SUCCESS: 552,451,452
* SMTP CODE SUCCESS: 500,501,502,421
*/
function SendOrMail($from) {
$this->error = null; # so no confusion is caused
if(!$this->connected()) {
$this->error = array(
"error" => "Called SendOrMail() without being connected");
return false;
}
fputs($this->smtp_conn,"SOML FROM:" . $from . $this->CRLF);
$rply = $this->get_lines();
$code = substr($rply,0,3);
if($this->do_debug >= 2) {
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
}
if($code != 250) {
$this->error =
array("error" => "SOML not accepted from server",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
echo "SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF;
}
return false;
}
return true;
}
/*
* Turn()
*
* This is an optional command for SMTP that this class does not
* support. This method is here to make the RFC821 Definition
* complete for this class and __may__ be implimented in the future
*
* Implements from rfc 821: TURN <CRLF>
*
* SMTP CODE SUCCESS: 250
* SMTP CODE FAILURE: 502
* SMTP CODE ERROR : 500, 503
*/
function Turn() {
$this->error = array("error" => "This method, TURN, of the SMTP ".
"is not implemented");
if($this->do_debug >= 1) {
echo "SMTP -> NOTICE: " . $this->error["error"] . $this->CRLF;
}
return false;
}
/*
* Verify($name)
*
* Verifies that the name is recognized by the server.
* Returns false if the name could not be verified otherwise
* the response from the server is returned.
*
* Implements rfc 821: VRFY <SP> <string> <CRLF>
*
* SMTP CODE SUCCESS: 250,251
* SMTP CODE FAILURE: 550,551,553
* SMTP CODE ERROR : 500,501,502,421
*/
function Verify($name) {
$this->error = null; # so no confusion is caused
if(!$this->connected()) {
$this->error = array(
"error" => "Called Verify() without being connected");
return false;
}
fputs($this->smtp_conn,"VRFY " . $name . $this->CRLF);
$rply = $this->get_lines();
$code = substr($rply,0,3);
if($this->do_debug >= 2) {
echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
}
if($code != 250 && $code != 251) {
$this->error =
array("error" => "VRFY failed on name '$name'",
"smtp_code" => $code,
"smtp_msg" => substr($rply,4));
if($this->do_debug >= 1) {
echo "SMTP -> ERROR: " . $this->error["error"] .
": " . $rply . $this->CRLF;
}
return false;
}
return $rply;
}
/******************************************************************
* INTERNAL FUNCTIONS *
******************************************************************/
/*
* get_lines()
*
* __internal_use_only__: read in as many lines as possible
* either before eof or socket timeout occurs on the operation.
* With SMTP we can tell if we have more lines to read if the
* 4th character is '-' symbol. If it is a space then we don't
* need to read anything else.
*/
function get_lines() {
$data = "";
while($str = fgets($this->smtp_conn,515)) {
if($this->do_debug >= 4) {
echo "SMTP -> get_lines(): \$data was \"$data\"" .
$this->CRLF;
echo "SMTP -> get_lines(): \$str is \"$str\"" .
$this->CRLF;
}
$data .= $str;
if($this->do_debug >= 4) {
echo "SMTP -> get_lines(): \$data is \"$data\"" . $this->CRLF;
}
# if the 4th character is a space then we are done reading
# so just break the loop
if(substr($str,3,1) == " ") { break; }
}
return $data;
}
}
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