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Open an IMAP Mailbox Read-Only

Demonstrates the Chilkat Imap.ExamineMailbox method, which opens a mailbox as read-only. Use it instead of SelectMailbox when the application must not change message state, such as the \Seen flag. This example examines the Inbox.

Background: Reading a message can have a side effect: fetching its body normally sets the \Seen flag, marking it as read. ExamineMailbox corresponds to IMAP's EXAMINE command, which opens the mailbox in a read-only mode where no such changes are made — ideal for scanning, indexing, or backup tools that must leave the user's mailbox exactly as they left it.

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llSuccess = .F.

//  Demonstrates the Imap.ExamineMailbox method, which opens a mailbox as read-only.  Use this
//  instead of SelectMailbox when the application must not change message state (such as the
//  \Seen flag).

loImap = createobject("CkImap")

loImap.Ssl = .T.
loImap.Port = 993

llSuccess = loImap.Connect("imap.example.com")
if (llSuccess = .F.) then
    ? loImap.LastErrorText
    release loImap
    return
endif

llSuccess = loImap.Login("user@example.com","myPassword")
if (llSuccess = .F.) then
    ? loImap.LastErrorText
    release loImap
    return
endif

//  Open the Inbox as read-only.
llSuccess = loImap.ExamineMailbox("Inbox")
if (llSuccess = .F.) then
    ? loImap.LastErrorText
    release loImap
    return
endif

? "Inbox opened read-only."

llSuccess = loImap.Disconnect()
if (llSuccess = .F.) then
    ? loImap.LastErrorText
    release loImap
    return
endif



release loImap