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## glassfish:javamail:smtp-transport:sendMessageStart

started sending message by using SMTP event

Synopsis

    glassfish:javamail:smtp-transport:sendMessageStart (
    java.lang.String subject)

Description

This event is sent when the JavaMail service starts to send a message by using Simple Mail Transfer Protocol (SMTP).

Use this event for the following purposes:

- To count the number of messages that the JavaMail service has sent.

- To measure the amount of time that the JavaMail service spends sending messages. In this situation, use this event with the `glassfish:javamail:smtp-transport:sendMessageEnd` event.

Parameters

`subject`

  The subject header of the message that is being sent.