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Open Handle (G Dataflow)

    Last Modified: March 1, 2017

    Creates a new SMTP client handle using the specified SMTP server. Use this node with other SMTP Email nodes to send emails. You must close the handle using Close Handle.


    server address

    Hostname or IP address of the SMTP server you want to use to send emails. You can also set the port number by appending a colon and the port number to the hostname or IP address in the format hostname:port. The default port number is 25, which only works for SMTP servers without the Transport Layer Security (TLS) protocol.



    Email address from which you want to send an email.



    Log-in username for the SMTP server you are using. On most public servers, this is your email address.



    Log-in password for the SMTP server you are using.


    error in

    Error conditions that occur before this node runs. The node responds to this input according to standard error behavior.

    Default: No error


    use TLS

    A Boolean value that determines whether to use Transport Layer Security (TLS) for added security when communicating with the SMTP server.

    True Open Handle uses TLS when communicating with the SMTP server.
    False Open Handle does not use TLS when communicating with the SMTP server.

    Default: False


    handle out

    An SMTP client handle that references system resources that are used to make SMTP requests. You can wire this output to the handle in input of other SMTP Email nodes. Use Close Handle to dispose of the handle and free system resources when you no longer need the handle.


    error out

    Error information. The node produces this output according to standard error behavior.

    Where This Node Can Run:

    Desktop OS: Windows

    FPGA: Not supported

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