Pop3Client.IsOkResponse throws exception on successful authentication about hpop HOT 2 OPEN

same problem here.

"The server did not respond with a + response. The response was: "* OK inetserver.hos.com.br Zimbra IMAP4rev1 server ready""

my code

Using client As New OpenPop.Pop3.Pop3Client() client.Connect("mail.hos.com.br", 143, False) client.Authenticate(usuario, senha) Dim messageCount As Integer = client.GetMessageCount() Dim allMessages As New List(Of OpenPop.Mime.Message)(messageCount) For i As Integer = messageCount To 1 Step -1 allMessages.Add(client.GetMessage(i)) Next End Using

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@MaiconLL Your problem is different from @123than's problem.

The problem you are having is that you are trying to connect to an IMAP server using a POP3 client.

If the server doesn't support POP3 on port 110 (instead of 143 for IMAP), I would recommend trying MailKit instead and using the ImapClient class.

Hope that helps.

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