PHP發送郵件有關問題：郵件已發送，返回Invalid address

PHP發送郵件問題：郵件已發送，返回Invalid address:
：
為什麼會出現這樣的情況？
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public function AddAddress($address, $name = '') {
return $this->AddAnAddress('to', $address, $name);
}

private function AddAnAddress($kind, $address, $name = '') {
if (!preg_match('/^(to
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cc
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bcc
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ReplyTo)$/', $kind)) {
echo 'Invalid recipient array: ' . kind;
return false;
}
$address = trim($address);
$name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
if (!self::ValidateAddress($address)) {
$this->SetError($this->Lang('invalid_address').': '. $address);
if ($this->exceptions) {
throw new phpmailerException($this->Lang('invalid_address').': '.$address);
}
echo $this->Lang('invalid_address').': '.$address;
return false;
}
...

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