I do not receive emails from the site

Good afternoon, friends. I haven't applied for a long time. but the situation is deadlocked. I checked the joomla test submission and the email arrives, but unfortunately I do not receive anything, even in spam from the form application. I see a message about successful sending, I see saving in the database, but there is no email. Help me figure it out, friends. I will send access through your company!

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