As mentionned here After the update（ 3.5.0.beta2-dev）, numerous theme component functionalities have become nonoperative.
This was repair as mentionned here
But since then, my mails seems becoming crasy : sending many time the same summary and in the same time many mails are blocked by my smtp : Quota exceeded
And the Discourse try to send more and more . And it’s blocked more and more
Is it a way to do a reset ?