What would be the most likely cause for the Thunderbird front end to repeatedly fail to log into one or any of my 5 mailbox servers?
This issue can happen to any one of them, *hotmail*, *yahoo*, or my personal independent mailbox server * bluetiehome*.
It happens more often than not, I will repeatedly see the notice flash up on the lower right corner of the screen.
Because Thunderbird hasn't logged into *a* server I can't write, send or receive emails. All I *can* see is what is listed in each of the mailbox inboxes, sent, saved from a previous session that DID log in.
There is nothing wrong I can see with any of the mailbox server settings *imap*, they are all basically set to * default* for that mailbox server. The smtp servers are all set to *default* as well.
This has me puzzled & it's a bit of an annoyance not being able to send because Thunderbird hasn't logged into the mailbox I am using.