Lianja

Office365 Send Email from Shared Mailbox

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Demonstrates how to send email from a shared mailbox, from smtp.office365.com using OAuth2 authentication. Lianja

llSuccess = .F.

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

// An Office365 OAuth2 access token must first be obtained prior
// to running this code.

// Getting the OAuth2 access token for the 1st time requires the O365 account owner's 
// interactive authorizaition via a web browser.  Afterwards, the access token
// can be repeatedly refreshed automatically.

// See the following examples for getting and refreshing an OAuth2 access token

// Get Office365 SMTP/IMAP/POP3 OAuth2 Access Token
// Refresh Office365 SMTP/IMAP/POP3 OAuth2 Access Token

// First get our previously obtained OAuth2 access token.
loJsonToken = createobject("CkJsonObject")
llSuccess = loJsonToken.LoadFile("qa_data/tokens/office365.json")

loMailman = createobject("CkMailMan")

loMailman.SmtpHost = "smtp.office365.com"
loMailman.SmtpPort = 587
loMailman.StartTLS = .T.

// In case of shared mailbox access using OAuth, the application needs to obtain the access token on behalf of a user
// but replace the SMTP username with the email address of the shared mailbox.

// Login using the shared mailbox email address for the username, and the access token for the password.
// See Office 365 SASL XOAUTH2 format 

// Use your Office365 email address for the SmtpUsername.
loMailman.SmtpUsername = "SHARED_MAILBOX_EMAIL_ADDRESS"
loMailman.OAuth2AccessToken = loJsonToken.StringOf("access_token")

// Create a new email object
loEmail = createobject("CkEmail")

loEmail.Subject = "This is a test"
loEmail.Body = "This is a test"
loEmail.From = "MY_NAME <SHARED_MAILBOX_EMAIL_ADDRESS>"
llSuccess = loEmail.AddTo("John Doe","somebody@example.com")

// 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.  
llSuccess = loMailman.SendEmail(loEmail)
if (llSuccess <> .T.) then
    ? loMailman.LastErrorText
    release loJsonToken
    release loMailman
    release loEmail
    return
endif

llSuccess = loMailman.CloseSmtpConnection()
if (llSuccess <> .T.) then
    ? "Connection to SMTP server not closed cleanly."
endif

? "Mail Sent!"


release loJsonToken
release loMailman
release loEmail