Cara, como em um passe de mágica e varios encadeamentos de foruns e soluções, após meses consegui o bendito envio para ambos os destinatários, muito obrigado pela tentativa! vou deixar aqui caso alguem mais precise.

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"<?php require 'PHPMailer/src/Exception.php'; require 'PHPMailer/src/PHPMailer.php'; require 'PHPMailer/src/SMTP.php';

use PHPMailer\PHPMailer\PHPMailer; use PHPMailer\PHPMailer\SMTP; use PHPMailer\PHPMailer\Exception;

$mail = new PHPMailer(true);

try { //Server settings $mail->SMTPDebug = SMTP::DEBUG_SERVER; $mail->isSMTP(); $mail->Host = 'smtpout.secureserver.net'; $mail->SMTPAuth = true; $mail->SMTPAutoTLS = true; $mail->Port = 80; $mail->Username = 'e-mail@seudominio.com.br'; $mail->Password = 'SenhaEmail';

//Recipients $mail->setFrom('e-mail@seudominio.com.br', 'Mailer'); $mail->addAddress('destinatario1@seudominio.com.br', 'XYZTABC'); $mail->addAddress('destinatario2@gmail.com', 'XYZTABC'); //Content $mail->isHTML(true); $mail->Subject = 'Here is the subject'; $mail->Body = 'This is the HTML message body in bold!'; $mail->AltBody = 'This is the body in plain text for non-HTML mail clients';

$mail->send(); echo 'Message has been sent';

} catch (Exception $e) { echo ""; print_r($e); echo "Message could not be sent. Mailer Error: {$mail->ErrorInfo}"; } ?>"