Python 3.13 breaks sending of emails ¶ Wednesday, April 2, 2025 TIM has a single field PAR->email with the customer’s email addresses. And TIM users know that they can put multiple email addresses into this field if they separate them by a semicolon. A semicolon?! According to RFC 5322 the correct delimiter for recipients in the To: header is the comma , not a semicolon. Yes, but a semicolon works…