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Hello. I am trying to get Thunderbird Mobile to connect to my work e-mail. myname@ourdomain.com is hosted by Outlook. I have tried many times using the manual setup for the account. Every time I type in password at M/S I get

AUTHENTICATION ERROR. The server returned the following message:

AUTHENTICATION failed.

But when I check at mysignins.microsoft.com, it shows Successful Sign-in Thunderbird Android.

I have tried the Export to Mobile function from desktop, but the profile does not show as desktop's configuration only worked properly using the MICROSOFT E-MAIL EXCHANGE SERVER.

I went ahead and installed Outlook app on the phone so I could get my e-mail, but after only half a day, I hate Outlook. Please help me get T'bird working.

Thanks

This is the 3rd day for me that https://forum.k9mail.app won't open/load. Has it been taken offline or what happened? Will it come back?

I have app version 18.0. About 20 minutes ago I composed an email to a new contact (responding to a letter he sent me). The email was ready to be sent but before I did so I passed the phone across to my wife to read it. She passed the phone back and the message had disappeared from the screen. I have two email accounts that are Unified. The missing email was written with the main account so I checked in all those folders, including Sent, Junk, Spam, etc. I tried searching for the recipient's email address and tried Search everywhere. I also checked on TB for desktop on my laptop. I thought that composed messages were automatically saved. I have seen this during composition when opening a different app to check something and a message appears at the bottom of the screen "Message saved as draft" or similar. I'm trying think what is different this time. Can you offer any suggestion?

Richard