Visual FoxPro

Send a Bundle of Emails via SMTP

Demonstrates the Chilkat MailMan.SendBundle method, which sends each email in an EmailBundle. This is equivalent to calling SendEmail once for each email in the bundle. This example builds a bundle of two messages and sends them.

Background: Sending a bundle lets Chilkat reuse a single SMTP connection for all the messages, avoiding the connect/authenticate overhead of sending them one at a time — the same efficiency as the explicit open/send-loop/close pattern, in one call. It is handy for dispatching a queued batch of distinct messages (as opposed to one message to many recipients).

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LOCAL lnSuccess
LOCAL loMailman
LOCAL loBundle
LOCAL loEmail1
LOCAL loEmail2

lnSuccess = 0

*  Demonstrates the MailMan.SendBundle method, which sends each email in an EmailBundle.
*  This is equivalent to calling SendEmail once for each email in the bundle.

loMailman = CreateObject('Chilkat.MailMan')

*  Configure the SMTP server connection.
loMailman.SmtpHost = "smtp.example.com"
loMailman.SmtpPort = 465
loMailman.SmtpSsl = 1
loMailman.SmtpUsername = "user@example.com"
loMailman.SmtpPassword = "myPassword"

*  Build a bundle of emails to send.
loBundle = CreateObject('Chilkat.EmailBundle')

loEmail1 = CreateObject('Chilkat.Email')
loEmail1.Subject = "Message 1"
loEmail1.From = "alice@example.com"
loEmail1.AddTo("Bob","bob@example.com")
loEmail1.Body = "This is the first message."
loBundle.AddEmail(loEmail1)

loEmail2 = CreateObject('Chilkat.Email')
loEmail2.Subject = "Message 2"
loEmail2.From = "alice@example.com"
loEmail2.AddTo("Carol","carol@example.com")
loEmail2.Body = "This is the second message."
loBundle.AddEmail(loEmail2)

*  Send every email in the bundle.

lnSuccess = loMailman.SendBundle(loBundle)
IF (lnSuccess = 0) THEN
    ? loMailman.LastErrorText
    RELEASE loMailman
    RELEASE loBundle
    RELEASE loEmail1
    RELEASE loEmail2
    CANCEL
ENDIF

? "Sent " + STR(loBundle.MessageCount) + " emails."

*  Note: Explicitly connecting/authenticating is optional.  Chilkat MailMan automatically
*  connects and authenticates -- using the property settings above -- whenever a server
*  operation requires it.  Calling the explicit connect/authenticate methods can still be
*  helpful to determine whether a failure occurs while connecting or while authenticating.

RELEASE loMailman
RELEASE loBundle
RELEASE loEmail1
RELEASE loEmail2