Subject: [Oauth 2.0] imap Office 365 Date: 2022-08-10 07:55:15 From: Sébastien Source: [oauth-2-0]-imap-office-365 ---------------------------------------------------------------------- Hi, I'm trying to authenticate on microsoft office 365 using Oauth 2.0. I always have the following error with the dll : "AUTHENTICATE failed (NO)." My Azure App, and my token are OK, i can authenticate using another librairy. Could you help me ? My code : using (Imap _imap = new Imap()) { _imap.Connect("outlook.office365.com", 993, ComponentPro.Net.SslSecurityMode.Implicit); _imap.Authenticate(_return.access_token.Value, ImapAuthenticationMethod.OAuth20); _imap.Disconnect(); } ---------------------------------------------------------------------- Note: This question has been asked on the Q&A forum of Thang Dang's fraudulent ComponentPro brand If you purchased anything from ComponentPro, you have been scammed. Contact the payment processor who sold you the license and ask for your money back. Back to ComponentPro Q&A Forum Index