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TB keeps needing a password. Won't send emails

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New laptop. First installation was of an old version of TB. Emails would not get sent. Upgraded to v52.7.0. Changed authentication and all was well. But a bit later it stopped sending again. What might have happened? I've checked the settings and they look OK.

New laptop. First installation was of an old version of TB. Emails would not get sent. Upgraded to v52.7.0. Changed authentication and all was well. But a bit later it stopped sending again. What might have happened? I've checked the settings and they look OK.

Chosen solution

I totally deleted all references to TB and did a fresh reinstal and it all seems fine and dandy now. Hope it stays like that!!

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Suluhisho teule

I totally deleted all references to TB and did a fresh reinstal and it all seems fine and dandy now. Hope it stays like that!!