

So, if you are looking to switch from MS outlook then Thunderbird can be a perfect email client for you. Mozilla Thunderbird is a good alternative to Outlook.

Change the offending username to contain the full email address.Search for "username" - this should bring up a few results, one or more of which may have the value "myaccount" instead of For me, this was "".Go to the config editor (Preferences -> Advanced -> Config Editor).

Those changes may be enough to solve your problem, or they may be necessary but not sufficient requirements for my solution to work. If you do so, it adds a new entry to the list, with the username "myaccount" instead of This was the last thing I tried after a wide range of failed attempts at following suggestions - so I'd already tried everything from enabling IMAP in gmail to removing saved passwords to editing the configurations and setting the property.
