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19 changes: 15 additions & 4 deletions Core/Lib/Email/NewMail.php
Original file line number Diff line number Diff line change
Expand Up @@ -374,22 +374,26 @@ public function send(): bool
$bccAddresses = $this->getBCCAddresses();

if (!empty($ccAddresses)) {
// limpiamos primero para evitar conflicto por dirección duplicada al pasar de CC a TO
$this->mail->clearCCs();

// movemos el primer CC a TO
$firstCC = array_shift($ccAddresses);
$this->to($firstCC);

// limpiamos y volvemos a agregar los CC restantes
$this->mail->clearCCs();
// volvemos a agregar los CC restantes
foreach ($ccAddresses as $email) {
$this->cc($email);
}
} elseif (!empty($bccAddresses)) {
// limpiamos primero para evitar conflicto por dirección duplicada al pasar de BCC a TO
$this->mail->clearBCCs();

// movemos el primer BCC a TO
$firstBCC = array_shift($bccAddresses);
$this->to($firstBCC);

// limpiamos y volvemos a agregar los BCC restantes
$this->mail->clearBCCs();
// volvemos a agregar los BCC restantes
foreach ($bccAddresses as $email) {
$this->bcc($email);
}
Expand All @@ -398,6 +402,13 @@ public function send(): bool
Tools::log()->warning('email-no-recipients');
return false;
}

// PHPMailer evita destinatarios duplicados entre TO/CC/BCC.
// Si no hemos podido promover ninguno, cancelamos el envío.
if (empty($this->getToAddresses())) {
Tools::log()->warning('email-no-recipients');
return false;
}
}

$this->renderHTML();
Expand Down
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