ObjectSmtp

SMTP object

inheritance relationship

Constructor

Smtp

Smtp object constructor

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new Smtp();

member properties

timeout

Integer, query and set timeout unit milliseconds

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Integer Smtp.timeout;

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socket

Stream, Query the current connection of the Smtp objectSocket

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readonly Stream Smtp.socket;

member function

connect

Create to specified server

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Smtp.connect(String url) async;

Call parameters:

• url: String, specifies the connection protocol, which can be: tcp://host:port orssl://host:port

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command

Send the specified command and return the response. If the server reports an error, an error will be thrown.

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2
String Smtp.command(String cmd,
    String arg) async;

Call parameters:

• cmd: String, command name
• arg: String, parameter

Return results:

• String, if successful, return the server response

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hello

Send the HELO command and throw an error if the server reports an error.

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Smtp.hello(String hostname = "localhost") async;

Call parameters:

• hostname: String, host name, default is "localhost"

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login

Log in to the server with the specified user and password. If the server reports an error, an error will be thrown.

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2
Smtp.login(String username,
    String password) async;

Call parameters:

• username: String, username
• password: String, password

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from

Specify the sender's mailbox. If the server reports an error, an error will be thrown.

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Smtp.from(String address) async;

Call parameters:

• address: String, sender's mailbox

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to

Specify the recipient's mailbox. If the server reports an error, an error will be thrown.

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Smtp.to(String address) async;

Call parameters:

• address: String, recipient's mailbox

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data

Send text to the recipient, throw an error if the server reports an error

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Smtp.data(String txt) async;

Call parameters:

• txt: String, the text to be sent

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quit

Exit and close the connection. If the server reports an error, an error will be thrown.

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Smtp.quit() async;

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toString

Returns the string representation of the object. Generally, "[Native Object]" is returned. The object can be re-implemented according to its own characteristics.

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String Smtp.toString();

Return results:

• String, returns the string representation of the object

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toJSON

Returns a JSON format representation of the object, generally returning a collection of readable properties defined by the object.

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Value Smtp.toJSON(String key = "");

Call parameters:

• key: String, not used

Return results:

• Value, returns a value containing JSON serializable