Udate on 'not getting all my mail'
I have really appreciated the comments and info above from users. I wrote a message about 10 days ago about receiving very little mail and no sent mail in the new Yahoo account. I think now, after ...
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Yes, I don't think it had been mentioned before, but when changing the server settings on Thunderbird it will want to keep restarting, and as you also mentioned, the OAuth2 doesn't show up until after one of those restarts.
FWIW, I run Thunderbird on my desktop and on a laptop (mostly when traveling or as just another backup). I just noticed that I use POP on one and IMAP on the other, plus whatever the yahoo connection in iPhone mail is. It all seems to play well together.
I'm still watching for missing emails. After the initial setup I seemed to sometimes be missing test emails from my gmail account, or they went to spam, or they arrived normally! I was also missing an email from ftb.ca.gov. Since then I see I have received (unimportant) emails from a couple of .gov sites. Obviously, the problem with missing emails is . . . you probably don't know you didn't get them!
