## Class SMTP

Description

SMTP is rfc 821 compliant and implements all the rfc 821 SMTP commands except TURN which will always return a not implemented error. SMTP also provides some utility methods for sending mail to an SMTP server.

- author:

  Chris Ryan

Located in Program_Root/class.smtp.php (line 24)

Variable Summary
string $CRLF
bool $do_debug
int $SMTP_PORT
Method Summary
void SMTP ()
bool Authenticate (mixed $username, mixed $password)
void Close ()
bool Connect (mixed $host, mixed $port, [mixed $tval = 30])
bool Data (mixed $msg_data)
string Expand (mixed $name)
bool Hello ([mixed $host = ""])
string Help ([mixed $keyword = ""])
bool Mail (mixed $from)
bool Noop ()
bool Quit ([mixed $close_on_error = true])
bool Recipient (mixed $to)
bool Reset ()
bool Send (mixed $from)
bool SendAndMail (mixed $from)
bool SendOrMail (mixed $from)
bool Turn ()
int Verify (mixed $name)
Variables
string $CRLF = "\r\n" (line 36)

SMTP reply line ending

bool $do_debug (line 42)

Sets whether debugging is turned on

int $SMTP_PORT = 25 (line 30)

SMTP server port

Methods
Constructor SMTP (line 57)

Initialize the class so that the data is in a known state.

- access: public

void SMTP ()
Authenticate (line 144)

Performs SMTP authentication. Must be run after running the Hello() method. Returns true if successfully authenticated.

- access: public

bool Authenticate (mixed $username, mixed $password)
Close (line 232)

Closes the socket and cleans up the state of the class.

It is not considered good to use this function without first trying to use QUIT.

- access: public

void Close ()
Connect (line 82)

Connect to the server specified on the port specified.

If the port is not specified use the default SMTP_PORT. If tval is specified then a connection will try and be established with the server for that number of seconds. If tval is not specified the default is 30 seconds to try on the connection.

SMTP CODE SUCCESS: 220 SMTP CODE FAILURE: 421

- access: public

bool Connect (mixed $host, mixed $port, [mixed $tval = 30])
Data (line 266)

Issues a data command and sends the msg_data to the server

finializing the mail transaction. $msg_data is the message that is to be send with the headers. Each header needs to be on a single line followed by a <CRLF> with the message headers and the message body being seperated by and additional <CRLF>.

Implements rfc 821: DATA <CRLF>

SMTP CODE INTERMEDIATE: 354 [data] <CRLF>.<CRLF> SMTP CODE SUCCESS: 250 SMTP CODE FAILURE: 552,554,451,452 SMTP CODE FAILURE: 451,554 SMTP CODE ERROR : 500,501,503,421

- access: public

bool Data (mixed $msg_data)
Expand (line 399)

Expand takes the name and asks the server to list all the people who are members of the _list_. Expand will return back and array of the result or false if an error occurs.

Each value in the array returned has the format of: [ <full-name> <sp> ] <path> The definition of <path> is defined in rfc 821

Implements rfc 821: EXPN <SP> <string> <CRLF>

SMTP CODE SUCCESS: 250 SMTP CODE FAILURE: 550 SMTP CODE ERROR : 500,501,502,504,421

- return:

  array

- access: public

string Expand (mixed $name)
Hello (line 450)

Sends the HELO command to the smtp server.

This makes sure that we and the server are in the same known state.

Implements from rfc 821: HELO <SP> <domain> <CRLF>

SMTP CODE SUCCESS: 250 SMTP CODE ERROR : 500, 501, 504, 421

- access: public

bool Hello ([mixed $host = ""])
Help (line 524)

Gets help information on the keyword specified. If the keyword

is not specified then returns generic help, ussually contianing A list of keywords that help is available on. This function returns the results back to the user. It is up to the user to handle the returned data. If an error occurs then false is returned with $this->error set appropiately.

Implements rfc 821: HELP [ <SP> <string> ] <CRLF>

SMTP CODE SUCCESS: 211,214 SMTP CODE ERROR : 500,501,502,504,421

- access: public

string Help ([mixed $keyword = ""])
Mail (line 576)

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.

Implements rfc 821: MAIL <SP> FROM:<reverse-path> <CRLF>

SMTP CODE SUCCESS: 250 SMTP CODE SUCCESS: 552,451,452 SMTP CODE SUCCESS: 500,501,421

- access: public

bool Mail (mixed $from)
Noop (line 618)

Sends the command NOOP to the SMTP server.

Implements from rfc 821: NOOP <CRLF>

SMTP CODE SUCCESS: 250 SMTP CODE ERROR : 500, 421

- access: public

bool Noop ()
Quit (line 661)

Sends the quit command to the server and then closes the socket if there is no error or the $close_on_error argument is true.

Implements from rfc 821: QUIT <CRLF>

SMTP CODE SUCCESS: 221 SMTP CODE ERROR : 500

- access: public

bool Quit ([mixed $close_on_error = true])
Recipient (line 715)

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

- access: public

bool Recipient (mixed $to)
Reset (line 759)

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

- access: public

bool Reset ()
Send (line 808)

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

- access: public

bool Send (mixed $from)
SendAndMail (line 856)

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

- access: public

bool SendAndMail (mixed $from)
SendOrMail (line 904)

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

- access: public

bool SendOrMail (mixed $from)
Turn (line 949)

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

- access: public

bool Turn ()
Verify (line 971)

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

- access: public

int Verify (mixed $name)

Documention generated on Mon, 28 Jul 2003 23:25:50 -0400 by phpDocumentor 1.2.0