Add improvements
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@ -91,11 +91,13 @@ function phpmailer_emailer_send_prepare(App $a, IEmail &$email)
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// additional headers
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if (!empty($email->getAdditionalMailHeader())) {
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foreach ($email->getAdditionalMailHeader() as $name => $values) {
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// Skip the "Message-ID" header because PHP-Mailer is using its own
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// Set the "Message-ID" header for PHP-Mailer directly
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if ($name == 'Message-Id') {
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continue;
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// implode all values to one entry, because there's only one value possible
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$mailer->MessageID = trim(implode("", $values));
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} else {
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$mailer->addCustomHeader(trim($name), trim(implode("\n", $values)));
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}
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$mailer->addCustomHeader(trim($name), trim(implode("\n", $values)));
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}
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}
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