Class SmtpTransport
Send mail using SMTP protocol
Property Summary
- 
        $_config protected
arrayRuntime config
 - 
        $_configInitialized protected
boolWhether the config property has already been configured with defaults
 - 
        $_content protected
stringContent of email to return
 - 
        $_defaultConfig protected
arrayDefault config for this class
 - 
        $_lastResponse protected
arrayThe response of the last sent SMTP command.
 - 
        $_socket protected
Cake\Network\SocketSocket to SMTP server
 
Method Summary
- 
          
__construct() public
Constructor
 - 
          
__destruct() public
Destructor
 - 
          
_auth() protected
Send authentication
 - 
          
_bufferResponseLines() protected
Parses and stores the response lines in
'code' => 'message'format. - 
          
_configDelete() protected
Delete a single config key
 - 
          
_configRead() protected
Read a config variable
 - 
          
_configWrite() protected
Write a config variable
 - 
          
_connect() protected
Connect to SMTP Server
 - 
          
_disconnect() protected
Disconnect
 - 
          
_generateSocket() protected
Helper method to generate socket
 - 
          
_headersToString() protected
Help to convert headers in string
 - 
          
_prepareFromAddress() protected
Prepares the
fromemail address. - 
          
_prepareFromCmd() protected
Prepares the
MAIL FROMSMTP command. - 
          
_prepareMessage() protected
Prepares the message body.
 - 
          
_prepareMessageHeaders() protected
Prepares the message headers.
 - 
          
_prepareRcptCmd() protected
Prepares the
RCPT TOSMTP command. - 
          
_prepareRecipientAddresses() protected
Prepares the recipient email addresses.
 - 
          
_sendData() protected
Send Data
 - 
          
_sendRcpt() protected
Send emails
 - 
          
_smtpSend() protected
Protected method for sending data to SMTP connection
 - 
          
config() public
Usage
 - 
          
configShallow() public
Merge provided config with existing config. Unlike
config()which does a recursive merge for nested keys, this method does a simple merge. - 
          
connect() public
Connect to the SMTP server.
 - 
          
connected() public
Check whether an open connection to the SMTP server is available.
 - 
          
disconnect() public
Disconnect from the SMTP server.
 - 
          
getLastResponse() public
Returns the response of the last sent SMTP command.
 - 
          
send() public
Send mail
 
Method Detail
__construct() ¶ public
__construct(array $config = [])
      Constructor
Parameters
- 
                
array$config optional Configuration options.
__destruct() ¶ public
__destruct()
      Destructor
Tries to disconnect to ensure that the connection is being terminated properly before the socket gets closed.
_auth() ¶ protected
_auth(): void
      Send authentication
Returns
voidThrows
Cake\Network\Exception\SocketException_bufferResponseLines() ¶ protected
_bufferResponseLines(array $responseLines): void
      Parses and stores the response lines in 'code' => 'message' format.
Parameters
- 
                
array$responseLines Response lines to parse.
Returns
void_configDelete() ¶ protected
_configDelete(string $key): void
      Delete a single config key
Parameters
- 
                
string$key Key to delete.
Returns
voidThrows
Cake\Core\Exception\Exceptionif attempting to clobber existing config
_configRead() ¶ protected
_configRead(string|null $key): mixed
      Read a config variable
Parameters
- 
                
string|null$key Key to read.
Returns
mixed_configWrite() ¶ protected
_configWrite(string|array $key, mixed $value, bool|string $merge = false): void
      Write a config variable
Parameters
- 
                
string|array$key Key to write to.
- 
                
mixed$value Value to write.
- 
                
bool|string$merge optional True to merge recursively, 'shallow' for simple merge, false to overwrite, defaults to false.
Returns
voidThrows
Cake\Core\Exception\Exceptionif attempting to clobber existing config
_connect() ¶ protected
_connect(): void
      Connect to SMTP Server
Returns
voidThrows
Cake\Network\Exception\SocketException_disconnect() ¶ protected
_disconnect(): void
      Disconnect
Returns
voidThrows
Cake\Network\Exception\SocketException_generateSocket() ¶ protected
_generateSocket(): void
      Helper method to generate socket
Returns
voidThrows
Cake\Network\Exception\SocketException_headersToString() ¶ protected
_headersToString(array $headers, string $eol = "\r\n"): string
      Help to convert headers in string
Parameters
- 
                
array$headers Headers in format key => value
- 
                
string$eol optional End of line string.
Returns
string_prepareFromAddress() ¶ protected
_prepareFromAddress(Cake\Mailer\Email $email): array
      Prepares the from email address.
Parameters
- 
                
Cake\Mailer\Email$email Email instance
Returns
array_prepareFromCmd() ¶ protected
_prepareFromCmd(string $email): string
      Prepares the MAIL FROM SMTP command.
Parameters
- 
                
string$email The email address to send with the command.
Returns
string_prepareMessage() ¶ protected
_prepareMessage(Cake\Mailer\Email $email): string
      Prepares the message body.
Parameters
- 
                
Cake\Mailer\Email$email Email instance
Returns
string_prepareMessageHeaders() ¶ protected
_prepareMessageHeaders(Cake\Mailer\Email $email): array
      Prepares the message headers.
Parameters
- 
                
Cake\Mailer\Email$email Email instance
Returns
array_prepareRcptCmd() ¶ protected
_prepareRcptCmd(string $email): string
      Prepares the RCPT TO SMTP command.
Parameters
- 
                
string$email The email address to send with the command.
Returns
string_prepareRecipientAddresses() ¶ protected
_prepareRecipientAddresses(Cake\Mailer\Email $email): array
      Prepares the recipient email addresses.
Parameters
- 
                
Cake\Mailer\Email$email Email instance
Returns
array_sendData() ¶ protected
_sendData(Cake\Mailer\Email $email): void
      Send Data
Parameters
- 
                
Cake\Mailer\Email$email Email instance
Returns
voidThrows
Cake\Network\Exception\SocketException_sendRcpt() ¶ protected
_sendRcpt(Cake\Mailer\Email $email): void
      Send emails
Parameters
- 
                
Cake\Mailer\Email$email Cake Email
Returns
voidThrows
Cake\Network\Exception\SocketException_smtpSend() ¶ protected
_smtpSend(string|null $data, string|bool $checkCode = '250'): string|null
      Protected method for sending data to SMTP connection
Parameters
- 
                
string|null$data Data to be sent to SMTP server
- 
                
string|bool$checkCode optional Code to check for in server response, false to skip
Returns
string|nullThe matched code, or null if nothing matched
Throws
Cake\Network\Exception\SocketExceptionconfig() ¶ public
config(string|array|null $key = null, mixed|null $value = null, bool $merge = true): mixed
      Usage
Reading the whole config:
$this->config();
Reading a specific value:
$this->config('key');
Reading a nested value:
$this->config('some.nested.key');
Setting a specific value:
$this->config('key', $value);
Setting a nested value:
$this->config('some.nested.key', $value);
Updating multiple config settings at the same time:
$this->config(['one' => 'value', 'another' => 'value']);
        
                  Parameters
- 
                
string|array|null$key optional The key to get/set, or a complete array of configs.
- 
                
mixed|null$value optional The value to set.
- 
                
bool$merge optional Whether to recursively merge or overwrite existing config, defaults to true.
Returns
mixedConfig value being read, or the object itself on write operations.
Throws
Cake\Core\Exception\ExceptionWhen trying to set a key that is invalid.
configShallow() ¶ public
configShallow(string|array $key, mixed|null $value = null): $this
      Merge provided config with existing config. Unlike config() which does
a recursive merge for nested keys, this method does a simple merge.
Setting a specific value:
$this->config('key', $value);
Setting a nested value:
$this->config('some.nested.key', $value);
Updating multiple config settings at the same time:
$this->config(['one' => 'value', 'another' => 'value']);
        
                  Parameters
- 
                
string|array$key The key to set, or a complete array of configs.
- 
                
mixed|null$value optional The value to set.
Returns
$thisThe object itself.
connect() ¶ public
connect(): void
      Connect to the SMTP server.
This method tries to connect only in case there is no open connection available already.
Returns
voidconnected() ¶ public
connected(): bool
      Check whether an open connection to the SMTP server is available.
Returns
booldisconnect() ¶ public
disconnect(): void
      Disconnect from the SMTP server.
This method tries to disconnect only in case there is an open connection available.
Returns
voidgetLastResponse() ¶ public
getLastResponse(): array
      Returns the response of the last sent SMTP command.
A response consists of one or more lines containing a response code and an optional response message text:
[
    [
        'code' => '250',
        'message' => 'mail.example.com'
    ],
    [
        'code' => '250',
        'message' => 'PIPELINING'
    ],
    [
        'code' => '250',
        'message' => '8BITMIME'
    ],
    // etc...
]
        
        
                  Returns
arraysend() ¶ public
send(Cake\Mailer\Email $email): array
      Send mail
Parameters
- 
                
Cake\Mailer\Email$email Email instance
Returns
arrayThrows
Cake\Network\Exception\SocketExceptionProperty Detail
$_configInitialized ¶ protected
Whether the config property has already been configured with defaults
Type
bool