Your IMAP server wants to alert you to the following:Please log in via your web brower:https://support.google.com/mail/accounts/answer/78754(Failure))
How to resolve IMAP error when configuring gmail account in outlook 2016 Step 1 - In Gmail account settings check if IMAP is enabled.It should be enabled. Step 2- Check the other security setting by using below link and turn off access for the less secure apps if it is Turn on. https://www.google.com/settings/security/lesssecureapps Thanks, Raghvendra