Visual Basic 6.0

Office365 IMAP List Mailboxes

See more Office365 Examples

List the Office365 IMAP mailboxes. Visual Basic 6.0

Dim success As Long
success = 0

' 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.
Dim jsonToken As New ChilkatJsonObject
success = jsonToken.LoadFile("qa_data/tokens/office365.json")
If (success = 0) Then
    Debug.Print "Failed to open the office365 OAuth JSON file."
    Exit Sub
End If

Dim imap As New ChilkatImap

imap.Ssl = 1
imap.Port = 993

' Connect to the Office365 IMAP server.
success = imap.Connect("outlook.office365.com")
If (success = 0) Then
    Debug.Print imap.LastErrorText
    Exit Sub
End If

' Use OAuth2 authentication.
imap.AuthMethod = "XOAUTH2"

' Login using our username (i.e. email address) and the access token for the password.
success = imap.Login("OFFICE365_EMAIL_ADDRESS",jsonToken.StringOf("access_token"))
If (success = 0) Then
    Debug.Print imap.LastErrorText
    Exit Sub
End If

Debug.Print "O365 OAuth authentication is successful."

' Get the list of mailboxes.
Dim refName As String
refName = ""
Dim wildcardedMailbox As String
wildcardedMailbox = "*"
Dim subscribed As Long
subscribed = 0

Dim mboxes As New Mailboxes
success = imap.MbxList(subscribed,refName,wildcardedMailbox,mboxes)
If (success = 0) Then
    Debug.Print imap.LastErrorText
    Exit Sub
End If

Dim i As Long
i = 0
Do While i < mboxes.Count
    Debug.Print mboxes.GetName(i)
    i = i + 1
Loop

' Sample output looks like this:
' Archive
' Calendar
' Calendar/Birthdays
' Calendar/United States holidays
' Contacts
' Conversation History
' Deleted Items
' Drafts
' INBOX
' INBOX/abc
' INBOX/misc
' INBOX/misc/birdeye
' INBOX/old
' INBOX/old/large
' INBOX/receipts
' Journal
' Junk Email
' Notes
' Outbox
' RSS Subscriptions
' Sent Items
' Sync Issues
' Sync Issues/Conflicts
' Sync Issues/Local Failures
' Sync Issues/Server Failures
' Tasks
' Trash

' Disconnect from the IMAP server.
success = imap.Disconnect()