I can not send e-mails all of a sudden! Help!

I get the 5.7.1 error; "contains a custom unauthorized address because the 5.7.1 associated account has been disabled or deleted." Please revalidate 5.7.1 the custom of if you believe this is in error.
"a67sm1736114qgf.37 - gsmtp" in the world what is one of what it means? I've never had problems sending before now.

https://support.Mozilla.org/en-us/questions/1014299#answer-612683

Tags: Thunderbird

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