Class SmtpTransport
Send mail using SMTP protocol
Property Summary
-
$_config protected
array
Runtime config
-
$_configInitialized protected
bool
Whether the config property has already been configured with defaults
-
$_content protected
array
Content of email to return
-
$_defaultConfig protected
array
Default config for this class
-
$_lastResponse protected
array
The response of the last sent SMTP command.
-
$_socket protected
Cake\Network\Socket|null
Socket to SMTP server
Method Summary
-
__construct() public
Constructor
-
__destruct() public
Destructor
-
__wakeup() public
Unserialize handler.
-
_auth() protected
Send authentication
-
_authLogin() protected
Authenticate using AUTH LOGIN mechanism.
-
_authPlain() protected
Authenticate using AUTH PLAIN mechanism.
-
_bufferResponseLines() protected
Parses and stores the response lines in
'code' => 'message'
format. -
_configDelete() protected
Deletes a single config key.
-
_configRead() protected
Reads a config key.
-
_configWrite() protected
Writes a config key.
-
_connect() protected
Connect to SMTP Server
-
_disconnect() protected
Disconnect
-
_generateSocket() protected
Helper method to generate socket
-
_prepareFromAddress() protected
Prepares the
from
email address. -
_prepareFromCmd() protected
Prepares the
MAIL FROM
SMTP command. -
_prepareMessage() protected
Prepares the message body.
-
_prepareRcptCmd() protected
Prepares the
RCPT TO
SMTP 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
-
_socket() protected
Get socket instance.
-
checkRecipient() protected
Check that at least one destination header is set.
-
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.
-
getConfig() public
Returns the config.
-
getConfigOrFail() public
Returns the config for this specific key.
-
getLastResponse() public
Returns the response of the last sent SMTP command.
-
send() public
Send mail
-
setConfig() public
Sets the config.
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.
__wakeup() ¶ public
__wakeup(): void
Unserialize handler.
Ensure that the socket property isn't reinitialized in a broken state.
Returns
void
_auth() ¶ protected
_auth(): void
Send authentication
Returns
void
Throws
Cake\Network\Exception\SocketException
_authLogin() ¶ protected
_authLogin(string $username, string $password): void
Authenticate using AUTH LOGIN mechanism.
Parameters
-
string
$username Username.
-
string
$password Password.
Returns
void
_authPlain() ¶ protected
_authPlain(string $username, string $password): string|null
Authenticate using AUTH PLAIN mechanism.
Parameters
-
string
$username Username.
-
string
$password Password.
Returns
string|null
_bufferResponseLines() ¶ protected
_bufferResponseLines(string[] $responseLines): void
Parses and stores the response lines in 'code' => 'message'
format.
Parameters
-
string[]
$responseLines Response lines to parse.
Returns
void
_configDelete() ¶ protected
_configDelete(string $key): void
Deletes a single config key.
Parameters
-
string
$key Key to delete.
Returns
void
Throws
Cake\Core\Exception\CakeException
if attempting to clobber existing config
_configRead() ¶ protected
_configRead(string|null $key): mixed
Reads a config key.
Parameters
-
string|null
$key Key to read.
Returns
mixed
_configWrite() ¶ protected
_configWrite(string|array $key, mixed $value, bool|string $merge = false): void
Writes a config key.
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
void
Throws
Cake\Core\Exception\CakeException
if attempting to clobber existing config
_connect() ¶ protected
_connect(): void
Connect to SMTP Server
Returns
void
Throws
Cake\Network\Exception\SocketException
_disconnect() ¶ protected
_disconnect(): void
Disconnect
Returns
void
Throws
Cake\Network\Exception\SocketException
_generateSocket() ¶ protected
_generateSocket(): void
Helper method to generate socket
Returns
void
Throws
Cake\Network\Exception\SocketException
_prepareFromAddress() ¶ protected
_prepareFromAddress(Cake\Mailer\Message $message): array
Prepares the from
email address.
Parameters
-
Cake\Mailer\Message
$message Message instance
Returns
array
_prepareFromCmd() ¶ protected
_prepareFromCmd(string $message): string
Prepares the MAIL FROM
SMTP command.
Parameters
-
string
$message The email address to send with the command.
Returns
string
_prepareMessage() ¶ protected
_prepareMessage(Cake\Mailer\Message $message): string
Prepares the message body.
Parameters
-
Cake\Mailer\Message
$message Message instance
Returns
string
_prepareRcptCmd() ¶ protected
_prepareRcptCmd(string $message): string
Prepares the RCPT TO
SMTP command.
Parameters
-
string
$message The email address to send with the command.
Returns
string
_prepareRecipientAddresses() ¶ protected
_prepareRecipientAddresses(Cake\Mailer\Message $message): array
Prepares the recipient email addresses.
Parameters
-
Cake\Mailer\Message
$message Message instance
Returns
array
_sendData() ¶ protected
_sendData(Cake\Mailer\Message $message): void
Send Data
Parameters
-
Cake\Mailer\Message
$message Message message
Returns
void
Throws
Cake\Network\Exception\SocketException
_sendRcpt() ¶ protected
_sendRcpt(Cake\Mailer\Message $message): void
Send emails
Parameters
-
Cake\Mailer\Message
$message Message message
Returns
void
Throws
Cake\Network\Exception\SocketException
_smtpSend() ¶ protected
_smtpSend(string|null $data, string|false $checkCode = '250'): string|null
Protected method for sending data to SMTP connection
Parameters
-
string|null
$data Data to be sent to SMTP server
-
string|false
$checkCode optional Code to check for in server response, false to skip
Returns
string|null
Throws
Cake\Network\Exception\SocketException
_socket() ¶ protected
_socket(): Cake\Network\Socket
Get socket instance.
Returns
Cake\Network\Socket
Throws
RuntimeException
If socket is not set.
checkRecipient() ¶ protected
checkRecipient(Cake\Mailer\Message $message): void
Check that at least one destination header is set.
Parameters
-
Cake\Mailer\Message
$message Message instance.
Returns
void
Throws
Cake\Core\Exception\CakeException
If at least one of to, cc or bcc is not specified.
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->configShallow('key', $value);
Setting a nested value:
$this->configShallow('some.nested.key', $value);
Updating multiple config settings at the same time:
$this->configShallow(['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
$this
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
void
connected() ¶ public
connected(): bool
Check whether an open connection to the SMTP server is available.
Returns
bool
disconnect() ¶ public
disconnect(): void
Disconnect from the SMTP server.
This method tries to disconnect only in case there is an open connection available.
Returns
void
getConfig() ¶ public
getConfig(string|null $key = null, mixed $default = null): mixed
Returns the config.
Usage
Reading the whole config:
$this->getConfig();
Reading a specific value:
$this->getConfig('key');
Reading a nested value:
$this->getConfig('some.nested.key');
Reading with default value:
$this->getConfig('some-key', 'default-value');
Parameters
-
string|null
$key optional The key to get or null for the whole config.
-
mixed
$default optional The return value when the key does not exist.
Returns
mixed
getConfigOrFail() ¶ public
getConfigOrFail(string $key): mixed
Returns the config for this specific key.
The config value for this key must exist, it can never be null.
Parameters
-
string
$key The key to get.
Returns
mixed
Throws
InvalidArgumentException
getLastResponse() ¶ 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
array
send() ¶ public
send(Cake\Mailer\Message $message): array
Send mail
Parameters
-
Cake\Mailer\Message
$message Message instance
Returns
array
Throws
Cake\Network\Exception\SocketException
setConfig() ¶ public
setConfig(string|array $key, mixed|null $value = null, bool $merge = true): $this
Sets the config.
Usage
Setting a specific value:
$this->setConfig('key', $value);
Setting a nested value:
$this->setConfig('some.nested.key', $value);
Updating multiple config settings at the same time:
$this->setConfig(['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.
-
bool
$merge optional Whether to recursively merge or overwrite existing config, defaults to true.
Returns
$this
Throws
Cake\Core\Exception\CakeException
When trying to set a key that is invalid.
Property Detail
$_configInitialized ¶ protected
Whether the config property has already been configured with defaults
Type
bool