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VB.NET UWP/WinRT Examples

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(VB.NET UWP/WinRT) MailMan GetSentToEmailAddrs

Demonstrates how to get the email addresses accepted by the SMTP server during an SMTP send.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

' Demonstrates how to get the successful recipients for the last email sent.

' Note: Success does not ensure actual delivery, nor does it mean the email address is actually valid.
' It may be that the email address is invalid and will get bounced at the destination.

' Also: An SMTP client (such as Chilkat, Mozilla Thunderbird, etc.) is only responsible for "handing off" the email to the SMTP server 
' for delivery (either to a local mailbox, or to a remote mailbox where the SMTP server acts as a relay). 
' The SMTP client's task is ended when the SMTP protocol exchange is completed, and the SMTP server says "OK, I've got it and I'll take it from here.". 
' If the email never actually gets delivered, then there is a problem downstream of the Chilkat-->SMTP server handoff.

Dim mailman As New Chilkat.MailMan

mailman.SmtpHost = "outlook.office365.com"
mailman.SmtpPort = 587
mailman.StartTLS = True

' Set the SMTP login/password
mailman.SmtpUsername = "OFFICE365-SMTP-LOGIN"
mailman.SmtpPassword = "OFFICE365-SMTP-PASSWORD"

' Create a new email object
Dim email As New Chilkat.Email

email.Subject = "Testing for Chilkat API..."
email.Body = "Testing for Chilkat API..."
email.From = "Chilkat Support <my-office365-user@mydomain.com>"
Dim success As Boolean = email.AddTo("Chilkat Admin","admin@chilkatsoft.com")
success = email.AddTo("Chilkat Support","support@chilkatsoft.com")
' To add more recipients, call AddTo, AddCC, or AddBcc once per recipient.

' Allow SendEmail to succeed even if some recipients are rejected immediately
' by the SMTP server.
mailman.AllOrNone = False

' Call SendEmail to connect to the SMTP server and send.
' The connection (i.e. session) to the SMTP server remains
' open so that subsequent SendEmail calls may use the
' same connection.  
success = Await mailman.SendEmailAsync(email)
If (success <> True) Then
    Debug.WriteLine(mailman.LastErrorText)
    Exit Sub
End If


success = Await mailman.CloseSmtpConnectionAsync()
If (success <> True) Then
    Debug.WriteLine("Connection to SMTP server not closed cleanly.")
End If

Debug.WriteLine("Mail Sent!")

' Examine which email addresses were accepted by the SMTP server during the SMTP conversation. 
' (i.e. during the SendEmail)
Dim acceptedAddrs As Chilkat.StringArray = mailman.GetSentToEmailAddrs()
Dim numAddrs As Integer = acceptedAddrs.Count
Dim i As Integer = 0
While i < numAddrs
    Debug.WriteLine("Accepted recipient " & i & ": " & acceptedAddrs.GetString(i))
    i = i + 1
End While


 

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