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(C# UWP/WinRT) Yahoo! IMAP (imap.mail.yahoo.com)

(from Wikipedia)

It is possible to get direct IMAP access without signing up for paid access nor using software like YPOPs! or FreePOPs. Yahoo! operates IMAP and secure IMAP servers (imap.mail.yahoo.com in particular), which are globally accessible. However they require a specific, non-standard IMAP command to be sent before login is done, namely: “ID ("GUID" "1")”.
This example demonstrates sending the non-standard IMAP command after connecting but before login.

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.

Chilkat.Imap imap = new Chilkat.Imap();

// Connect to they Yahoo! IMAP server.
imap.Port = 993;
imap.Ssl = true;
bool success = await imap.ConnectAsync("imap.mail.yahoo.com");
if (success != true) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

// Send the non-standard ID command...
string rawResponse;
rawResponse = await imap.SendRawCommandAsync("ID (\"GUID\" \"1\")");
if (imap.LastMethodSuccess != true) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

// Login
success = await imap.LoginAsync("myLogin","myPassword");
if (success != true) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

Debug.WriteLine("Login Success!");

// Select an IMAP mailbox
success = await imap.SelectMailboxAsync("Inbox");
if (success != true) {
    Debug.WriteLine(imap.LastErrorText);
    return;
}

// Continue with whatever you wish to do...
// (see other examples..)

// Disconnect from the IMAP server.
success = await imap.DisconnectAsync();

 

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