Forum Discussion
IMAP connection error INVALIDCREDENTIALS
I am trying to add my external IMAP mailbox from my hosting provider (Easyhost.be) to the new Outlook app / Outlook.com. However, when I try to add this mailbox to my domain 'vinedo.be', I immediate...
Hi MVdM, INVALIDCREDENTIALS usually means the IMAP server is rejecting the login method, not necessarily that the password is typed wrong. Check whether Easyhost requires an app password, SSL/TLS on the right port, or username as the full email address. Also test the same mailbox in classic Outlook or Thunderbird. If it works there but not in new Outlook or Outlook.com, the provider may not accept Microsoft's cloud-based IMAP connection flow.