Wt  4.0.2
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Wt::Mail::Client Class Reference

An SMTP mail client. More...

#include <Wt/Mail/Client.h>

Public Member Functions

 Client (const std::string &selfHost=std::string())
 Constructor. More...
 
 ~Client ()
 Destructor. More...
 
bool connect ()
 Connects to the default SMTP server. More...
 
bool connect (const std::string &smtpHost, int smtpPort=25)
 Connects to a given STMP server and port. More...
 
void disconnect ()
 Disconnects the client from the SMTP server.
 
bool send (const Message &message)
 Sends a message. More...
 

Detailed Description

An SMTP mail client.

The SMTP client can send one or more mail messages to an SMTP host.

#include <Wt/Mail/Client>
#include <Wt/Mail/Message>
Mail::Message message;
message.setFrom(Mail::Mailbox("kudos@corp.org", "Kudos Dukos");
message.addRecipient(Mail::RecipientType::To, Mail::Mailbox("koen@emweb.be", "Koen Deforche");
message.setSubject("Hey there, koen!");
message.setBody("That mail client seems to be working.");
message.addHtmlBody ("<p>"
"<a href=\"http://www.webtoolkit.eu/wt\">That mail client</a>"
" seems to be working just great!</p>");
Mail::Client client;
client.connect("localhost");
client.send(message);

Only the bare essentials of the SMTP protocol are current implemented, although the Message itself supports proper unicode handling.

Note
Currently only a plain-text SMTP protocol is supported. SSL transport will be added in the future.
Currently the client sends an email synchronously, and thus a slow connection to the SMTP server may block the current thread. We plan to change this in the future. It is thus beneficial to connect to a local SMTP daemon to minimize this deficiency.

Constructor & Destructor Documentation

Wt::Mail::Client::Client ( const std::string &  selfHost = std::string())

Constructor.

The selfHost is how the mail client will identify itself to the mail server, in the EHLO command.

If not defined, the "smtp-self-host" configuration property is used, and if that property is not defined, it defaults to "localhost".

Wt::Mail::Client::~Client ( )

Destructor.

If the client is still connected, this disconnects the client.

Member Function Documentation

bool Wt::Mail::Client::connect ( )

Connects to the default SMTP server.

This connects to the SMTP server defined by the "smtp-host" property, on port defined by the "smtp-port" property. If these properties are not set, "localhost" and 25 are used as defaults respectively.

Returns whether the connection could be established and the SMTP hand-shake was successful.

bool Wt::Mail::Client::connect ( const std::string &  smtpHost,
int  smtpPort = 25 
)

Connects to a given STMP server and port.

Returns whether the connection could be established and the SMTP hand-shake was successful.

bool Wt::Mail::Client::send ( const Message message)

Sends a message.

The client must be connected before messages can be sent.

The function returns true on success, false on error. The reason for the error is logged in the log file.


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