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Website Update Gemini - 1st run.

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chriz committed 2026-10-19 15:54:08 +02:00
1 parent eb28b95cd4
commit 911b8864ca
31 files changed
+3076 -809
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lib/PHPMailer/PHPMailer.php
+285 -49
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@@ -13,7 +13,7 @@
* @copyright 2012 - 2020 Marcus Bointon
* @copyright 2010 - 2012 Jim Jagielski
* @copyright 2004 - 2009 Andy Prevost
* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
* @license https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html GNU Lesser General Public License
* @note This program is distributed in the hope that it will be useful - WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
@@ -152,8 +152,7 @@ class PHPMailer
* Only supported in simple alt or alt_inline message types
* To generate iCal event structures, use classes like EasyPeasyICS or iCalcreator.
*
* @see http://sprain.ch/blog/downloads/php-class-easypeasyics-create-ical-files-with-php/
* @see http://kigkonsult.se/iCalcreator/
* @see https://kigkonsult.se/iCalcreator/
*
* @var string
*/
@@ -254,7 +253,7 @@ class PHPMailer
* You can set your own, but it must be in the format "<id@domain>",
* as defined in RFC5322 section 3.6.4 or it will be ignored.
*
* @see https://tools.ietf.org/html/rfc5322#section-3.6.4
* @see https://www.rfc-editor.org/rfc/rfc5322#section-3.6.4
*
* @var string
*/
@@ -357,6 +356,13 @@ class PHPMailer
*/
public $AuthType = '';
/**
* SMTP SMTPXClient command attributes
*
* @var array
*/
protected $SMTPXClient = [];
/**
* An implementation of the PHPMailer OAuthTokenProvider interface.
*
@@ -381,7 +387,7 @@ class PHPMailer
* 'DELAY' will notify you if there is an unusual delay in delivery, but the actual
* delivery's outcome (success or failure) is not yet decided.
*
* @see https://tools.ietf.org/html/rfc3461 See section 4.1 for more information about NOTIFY
* @see https://www.rfc-editor.org/rfc/rfc3461.html#section-4.1 for more information about NOTIFY
*/
public $dsn = '';
@@ -461,7 +467,7 @@ class PHPMailer
* Only applicable when sending via SMTP.
*
* @see https://en.wikipedia.org/wiki/Variable_envelope_return_path
* @see http://www.postfix.org/VERP_README.html Postfix VERP info
* @see https://www.postfix.org/VERP_README.html Postfix VERP info
*
* @var bool
*/
@@ -544,10 +550,10 @@ class PHPMailer
* The function that handles the result of the send email action.
* It is called out by send() for each email sent.
*
* Value can be any php callable: http://www.php.net/is_callable
* Value can be any php callable: https://www.php.net/is_callable
*
* Parameters:
* bool $result result of the send action
* bool $result result of the send action
* array $to email addresses of the recipients
* array $cc cc email addresses
* array $bcc bcc email addresses
@@ -574,6 +580,10 @@ class PHPMailer
* May be a callable to inject your own validator, but there are several built-in validators.
* The default validator uses PHP's FILTER_VALIDATE_EMAIL filter_var option.
*
* If CharSet is UTF8, the validator is left at the default value,
* and you send to addresses that use non-ASCII local parts, then
* PHPMailer automatically changes to the 'eai' validator.
*
* @see PHPMailer::validateAddress()
*
* @var string|callable
@@ -653,6 +663,14 @@ class PHPMailer
*/
protected $ReplyToQueue = [];
/**
* Whether the need for SMTPUTF8 has been detected. Set by
* preSend() if necessary.
*
* @var bool
*/
public $UseSMTPUTF8 = false;
/**
* The array of attachments.
*
@@ -750,7 +768,7 @@ class PHPMailer
*
* @var string
*/
const VERSION = '6.7.1';
const VERSION = '6.12.0';
/**
* Error severity: message only, continue processing.
@@ -795,7 +813,7 @@ class PHPMailer
* The maximum line length supported by mail().
*
* Background: mail() will sometimes corrupt messages
* with headers headers longer than 65 chars, see #818.
* with headers longer than 65 chars, see #818.
*
* @var int
*/
@@ -896,7 +914,7 @@ class PHPMailer
}
//Is this a PSR-3 logger?
if ($this->Debugoutput instanceof \Psr\Log\LoggerInterface) {
$this->Debugoutput->debug($str);
$this->Debugoutput->debug(rtrim($str, "\r\n"));
return;
}
@@ -1065,7 +1083,7 @@ class PHPMailer
* be modified after calling this function), addition of such addresses is delayed until send().
* Addresses that have been added already return false, but do not throw exceptions.
*
* @param string $kind One of 'to', 'cc', 'bcc', or 'ReplyTo'
* @param string $kind One of 'to', 'cc', 'bcc', or 'Reply-To'
* @param string $address The email address
* @param string $name An optional username associated with the address
*
@@ -1104,19 +1122,22 @@ class PHPMailer
$params = [$kind, $address, $name];
//Enqueue addresses with IDN until we know the PHPMailer::$CharSet.
//Domain is assumed to be whatever is after the last @ symbol in the address
if (static::idnSupported() && $this->has8bitChars(substr($address, ++$pos))) {
if ('Reply-To' !== $kind) {
if (!array_key_exists($address, $this->RecipientsQueue)) {
$this->RecipientsQueue[$address] = $params;
if ($this->has8bitChars(substr($address, ++$pos))) {
if (static::idnSupported()) {
if ('Reply-To' !== $kind) {
if (!array_key_exists($address, $this->RecipientsQueue)) {
$this->RecipientsQueue[$address] = $params;
return true;
}
} elseif (!array_key_exists($address, $this->ReplyToQueue)) {
$this->ReplyToQueue[$address] = $params;
return true;
}
} elseif (!array_key_exists($address, $this->ReplyToQueue)) {
$this->ReplyToQueue[$address] = $params;
return true;
}
//We have an 8-bit domain, but we are missing the necessary extensions to support it
//Or we are already sending to this address
return false;
}
@@ -1154,6 +1175,15 @@ class PHPMailer
*/
protected function addAnAddress($kind, $address, $name = '')
{
if (
self::$validator === 'php' &&
((bool) preg_match('/[\x80-\xFF]/', $address))
) {
//The caller has not altered the validator and is sending to an address
//with UTF-8, so assume that they want UTF-8 support instead of failing
$this->CharSet = self::CHARSET_UTF8;
self::$validator = 'eai';
}
if (!in_array($kind, ['to', 'cc', 'bcc', 'Reply-To'])) {
$error_message = sprintf(
'%s: %s',
@@ -1205,7 +1235,7 @@ class PHPMailer
* Uses the imap_rfc822_parse_adrlist function if the IMAP extension is available.
* Note that quotes in the name part are removed.
*
* @see http://www.andrew.cmu.edu/user/agreen1/testing/mrbs/web/Mail/RFC822.php A more careful implementation
* @see https://www.andrew.cmu.edu/user/agreen1/testing/mrbs/web/Mail/RFC822.php A more careful implementation
*
* @param string $addrstr The address list string
* @param bool $useimap Whether to use the IMAP extension to parse the list
@@ -1356,6 +1386,7 @@ class PHPMailer
* * `pcre` Use old PCRE implementation;
* * `php` Use PHP built-in FILTER_VALIDATE_EMAIL;
* * `html5` Use the pattern given by the HTML5 spec for 'email' type form input elements.
* * `eai` Use a pattern similar to the HTML5 spec for 'email' and to firefox, extended to support EAI (RFC6530).
* * `noregex` Don't use a regex: super fast, really dumb.
* Alternatively you may pass in a callable to inject your own validator, for example:
*
@@ -1400,7 +1431,6 @@ class PHPMailer
* * IPv6 literals: 'first.last@[IPv6:a1::]'
* Not all of these will necessarily work for sending!
*
* @see http://squiloople.com/2009/12/20/email-address-validation/
* @copyright 2009-2010 Michael Rushton
* Feel free to use and redistribute this code. But please keep this copyright notice.
*/
@@ -1427,6 +1457,24 @@ class PHPMailer
'[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/sD',
$address
);
case 'eai':
/*
* This is the pattern used in the HTML5 spec for validation of 'email' type
* form input elements (as above), modified to accept Unicode email addresses.
* This is also more lenient than Firefox' html5 spec, in order to make the regex faster.
* 'eai' is an acronym for Email Address Internationalization.
* This validator is selected automatically if you attempt to use recipient addresses
* that contain Unicode characters in the local part.
*
* @see https://html.spec.whatwg.org/#e-mail-state-(type=email)
* @see https://en.wikipedia.org/wiki/International_email
*/
return (bool) preg_match(
'/^[-\p{L}\p{N}\p{M}.!#$%&\'*+\/=?^_`{|}~]+@[\p{L}\p{N}\p{M}](?:[\p{L}\p{N}\p{M}-]{0,61}' .
'[\p{L}\p{N}\p{M}])?(?:\.[\p{L}\p{N}\p{M}]' .
'(?:[-\p{L}\p{N}\p{M}]{0,61}[\p{L}\p{N}\p{M}])?)*$/usD',
$address
);
case 'php':
default:
return filter_var($address, FILTER_VALIDATE_EMAIL) !== false;
@@ -1560,9 +1608,26 @@ class PHPMailer
$this->error_count = 0; //Reset errors
$this->mailHeader = '';
//The code below tries to support full use of Unicode,
//while remaining compatible with legacy SMTP servers to
//the greatest degree possible: If the message uses
//Unicode in the local parts of any addresses, it is sent
//using SMTPUTF8. If not, it it sent using
//punycode-encoded domains and plain SMTP.
if (
static::CHARSET_UTF8 === strtolower($this->CharSet) &&
($this->anyAddressHasUnicodeLocalPart($this->RecipientsQueue) ||
$this->anyAddressHasUnicodeLocalPart(array_keys($this->all_recipients)) ||
$this->anyAddressHasUnicodeLocalPart($this->ReplyToQueue) ||
$this->addressHasUnicodeLocalPart($this->From))
) {
$this->UseSMTPUTF8 = true;
}
//Dequeue recipient and Reply-To addresses with IDN
foreach (array_merge($this->RecipientsQueue, $this->ReplyToQueue) as $params) {
$params[1] = $this->punyencodeAddress($params[1]);
if (!$this->UseSMTPUTF8) {
$params[1] = $this->punyencodeAddress($params[1]);
}
call_user_func_array([$this, 'addAnAddress'], $params);
}
if (count($this->to) + count($this->cc) + count($this->bcc) < 1) {
@@ -1571,6 +1636,10 @@ class PHPMailer
//Validate From, Sender, and ConfirmReadingTo addresses
foreach (['From', 'Sender', 'ConfirmReadingTo'] as $address_kind) {
if ($this->{$address_kind} === null) {
$this->{$address_kind} = '';
continue;
}
$this->{$address_kind} = trim($this->{$address_kind});
if (empty($this->{$address_kind})) {
continue;
@@ -1723,9 +1792,8 @@ class PHPMailer
//This sets the SMTP envelope sender which gets turned into a return-path header by the receiver
//A space after `-f` is optional, but there is a long history of its presence
//causing problems, so we don't use one
//Exim docs: http://www.exim.org/exim-html-current/doc/html/spec_html/ch-the_exim_command_line.html
//Sendmail docs: http://www.sendmail.org/~ca/email/man/sendmail.html
//Qmail docs: http://www.qmail.org/man/man8/qmail-inject.html
//Exim docs: https://www.exim.org/exim-html-current/doc/html/spec_html/ch-the_exim_command_line.html
//Sendmail docs: https://www.sendmail.org/~ca/email/man/sendmail.html
//Example problem: https://www.drupal.org/node/1057954
//PHP 5.6 workaround
@@ -1863,7 +1931,7 @@ class PHPMailer
*/
protected static function isPermittedPath($path)
{
//Matches scheme definition from https://tools.ietf.org/html/rfc3986#section-3.1
//Matches scheme definition from https://www.rfc-editor.org/rfc/rfc3986#section-3.1
return !preg_match('#^[a-z][a-z\d+.-]*://#i', $path);
}
@@ -1890,7 +1958,7 @@ class PHPMailer
/**
* Send mail using the PHP mail() function.
*
* @see http://www.php.net/manual/en/book.mail.php
* @see https://www.php.net/manual/en/book.mail.php
*
* @param string $header The message headers
* @param string $body The message body
@@ -1920,9 +1988,8 @@ class PHPMailer
//This sets the SMTP envelope sender which gets turned into a return-path header by the receiver
//A space after `-f` is optional, but there is a long history of its presence
//causing problems, so we don't use one
//Exim docs: http://www.exim.org/exim-html-current/doc/html/spec_html/ch-the_exim_command_line.html
//Sendmail docs: http://www.sendmail.org/~ca/email/man/sendmail.html
//Qmail docs: http://www.qmail.org/man/man8/qmail-inject.html
//Exim docs: https://www.exim.org/exim-html-current/doc/html/spec_html/ch-the_exim_command_line.html
//Sendmail docs: https://www.sendmail.org/~ca/email/man/sendmail.html
//Example problem: https://www.drupal.org/node/1057954
//CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped.
@@ -1997,6 +2064,38 @@ class PHPMailer
return $this->smtp;
}
/**
* Provide SMTP XCLIENT attributes
*
* @param string $name Attribute name
* @param ?string $value Attribute value
*
* @return bool
*/
public function setSMTPXclientAttribute($name, $value)
{
if (!in_array($name, SMTP::$xclient_allowed_attributes)) {
return false;
}
if (isset($this->SMTPXClient[$name]) && $value === null) {
unset($this->SMTPXClient[$name]);
} elseif ($value !== null) {
$this->SMTPXClient[$name] = $value;
}
return true;
}
/**
* Get SMTP XCLIENT attributes
*
* @return array
*/
public function getSMTPXclientAttributes()
{
return $this->SMTPXClient;
}
/**
* Send mail via SMTP.
* Returns false if there is a bad MAIL FROM, RCPT, or DATA input.
@@ -2019,12 +2118,20 @@ class PHPMailer
if (!$this->smtpConnect($this->SMTPOptions)) {
throw new Exception($this->lang('smtp_connect_failed'), self::STOP_CRITICAL);
}
//If we have recipient addresses that need Unicode support,
//but the server doesn't support it, stop here
if ($this->UseSMTPUTF8 && !$this->smtp->getServerExt('SMTPUTF8')) {
throw new Exception($this->lang('no_smtputf8'), self::STOP_CRITICAL);
}
//Sender already validated in preSend()
if ('' === $this->Sender) {
$smtp_from = $this->From;
} else {
$smtp_from = $this->Sender;
}
if (count($this->SMTPXClient)) {
$this->smtp->xclient($this->SMTPXClient);
}
if (!$this->smtp->mail($smtp_from)) {
$this->setError($this->lang('from_failed') . $smtp_from . ' : ' . implode(',', $this->smtp->getError()));
throw new Exception($this->ErrorInfo, self::STOP_CRITICAL);
@@ -2117,6 +2224,7 @@ class PHPMailer
$this->smtp->setDebugLevel($this->SMTPDebug);
$this->smtp->setDebugOutput($this->Debugoutput);
$this->smtp->setVerp($this->do_verp);
$this->smtp->setSMTPUTF8($this->UseSMTPUTF8);
if ($this->Host === null) {
$this->Host = 'localhost';
}
@@ -2187,10 +2295,17 @@ class PHPMailer
$this->smtp->hello($hello);
//Automatically enable TLS encryption if:
//* it's not disabled
//* we are not connecting to localhost
//* we have openssl extension
//* we are not already using SSL
//* the server offers STARTTLS
if ($this->SMTPAutoTLS && $sslext && 'ssl' !== $secure && $this->smtp->getServerExt('STARTTLS')) {
if (
$this->SMTPAutoTLS &&
$this->Host !== 'localhost' &&
$sslext &&
$secure !== 'ssl' &&
$this->smtp->getServerExt('STARTTLS')
) {
$tls = true;
}
if ($tls) {
@@ -2307,6 +2422,7 @@ class PHPMailer
'smtp_detail' => 'Detail: ',
'smtp_error' => 'SMTP server error: ',
'variable_set' => 'Cannot set or reset variable: ',
'no_smtputf8' => 'Server does not support SMTPUTF8 needed to send to Unicode addresses',
];
if (empty($lang_path)) {
//Calculate an absolute path so it can work if CWD is not here
@@ -2656,7 +2772,7 @@ class PHPMailer
}
//Only allow a custom message ID if it conforms to RFC 5322 section 3.6.4
//https://tools.ietf.org/html/rfc5322#section-3.6.4
//https://www.rfc-editor.org/rfc/rfc5322#section-3.6.4
if (
'' !== $this->MessageID &&
preg_match(
@@ -2821,7 +2937,9 @@ class PHPMailer
$bodyEncoding = $this->Encoding;
$bodyCharSet = $this->CharSet;
//Can we do a 7-bit downgrade?
if (static::ENCODING_8BIT === $bodyEncoding && !$this->has8bitChars($this->Body)) {
if ($this->UseSMTPUTF8) {
$bodyEncoding = static::ENCODING_8BIT;
} elseif (static::ENCODING_8BIT === $bodyEncoding && !$this->has8bitChars($this->Body)) {
$bodyEncoding = static::ENCODING_7BIT;
//All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit
$bodyCharSet = static::CHARSET_ASCII;
@@ -3458,7 +3576,8 @@ class PHPMailer
/**
* Encode a header value (not including its label) optimally.
* Picks shortest of Q, B, or none. Result includes folding if needed.
* See RFC822 definitions for phrase, comment and text positions.
* See RFC822 definitions for phrase, comment and text positions,
* and RFC2047 for inline encodings.
*
* @param string $str The header value to encode
* @param string $position What context the string will be used in
@@ -3467,6 +3586,11 @@ class PHPMailer
*/
public function encodeHeader($str, $position = 'text')
{
$position = strtolower($position);
if ($this->UseSMTPUTF8 && !("comment" === $position)) {
return trim(static::normalizeBreaks($str));
}
$matchcount = 0;
switch (strtolower($position)) {
case 'phrase':
@@ -3581,7 +3705,7 @@ class PHPMailer
* without breaking lines within a character.
* Adapted from a function by paravoid.
*
* @see http://www.php.net/manual/en/function.mb-encode-mimeheader.php#60283
* @see https://www.php.net/manual/en/function.mb-encode-mimeheader.php#60283
*
* @param string $str multi-byte text to wrap encode
* @param string $linebreak string to use as linefeed/end-of-line
@@ -3637,7 +3761,7 @@ class PHPMailer
/**
* Encode a string using Q encoding.
*
* @see http://tools.ietf.org/html/rfc2047#section-4.2
* @see https://www.rfc-editor.org/rfc/rfc2047#section-4.2
*
* @param string $str the text to encode
* @param string $position Where the text is going to be used, see the RFC for what that means
@@ -4047,6 +4171,79 @@ class PHPMailer
$this->CustomHeader = [];
}
/**
* Clear a specific custom header by name or name and value.
* $name value can be overloaded to contain
* both header name and value (name:value).
*
* @param string $name Custom header name
* @param string|null $value Header value
*
* @return bool True if a header was replaced successfully
*/
public function clearCustomHeader($name, $value = null)
{
if (null === $value && strpos($name, ':') !== false) {
//Value passed in as name:value
list($name, $value) = explode(':', $name, 2);
}
$name = trim($name);
$value = (null === $value) ? null : trim($value);
foreach ($this->CustomHeader as $k => $pair) {
if ($pair[0] == $name) {
// We remove the header if the value is not provided or it matches.
if (null === $value || $pair[1] == $value) {
unset($this->CustomHeader[$k]);
}
}
}
return true;
}
/**
* Replace a custom header.
* $name value can be overloaded to contain
* both header name and value (name:value).
*
* @param string $name Custom header name
* @param string|null $value Header value
*
* @return bool True if a header was replaced successfully
* @throws Exception
*/
public function replaceCustomHeader($name, $value = null)
{
if (null === $value && strpos($name, ':') !== false) {
//Value passed in as name:value
list($name, $value) = explode(':', $name, 2);
}
$name = trim($name);
$value = (null === $value) ? '' : trim($value);
$replaced = false;
foreach ($this->CustomHeader as $k => $pair) {
if ($pair[0] == $name) {
if ($replaced) {
unset($this->CustomHeader[$k]);
continue;
}
if (strpbrk($name . $value, "\r\n") !== false) {
if ($this->exceptions) {
throw new Exception($this->lang('invalid_header'));
}
return false;
}
$this->CustomHeader[$k] = [$name, $value];
$replaced = true;
}
}
return true;
}
/**
* Add an error message to the error container.
*
@@ -4058,7 +4255,7 @@ class PHPMailer
if ('smtp' === $this->Mailer && null !== $this->smtp) {
$lasterror = $this->smtp->getError();
if (!empty($lasterror['error'])) {
$msg .= $this->lang('smtp_error') . $lasterror['error'];
$msg .= ' ' . $this->lang('smtp_error') . $lasterror['error'];
if (!empty($lasterror['detail'])) {
$msg .= ' ' . $this->lang('smtp_detail') . $lasterror['detail'];
}
@@ -4102,7 +4299,7 @@ class PHPMailer
$result = $_SERVER['SERVER_NAME'];
} elseif (function_exists('gethostname') && gethostname() !== false) {
$result = gethostname();
} elseif (php_uname('n') !== false) {
} elseif (php_uname('n') !== '') {
$result = php_uname('n');
}
if (!static::isValidHost($result)) {
@@ -4127,7 +4324,7 @@ class PHPMailer
empty($host)
|| !is_string($host)
|| strlen($host) > 256
|| !preg_match('/^([a-zA-Z\d.-]*|\[[a-fA-F\d:]+\])$/', $host)
|| !preg_match('/^([a-z\d.-]*|\[[a-f\d:]+\])$/i', $host)
) {
return false;
}
@@ -4141,10 +4338,49 @@ class PHPMailer
//Is it a valid IPv4 address?
return filter_var($host, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) !== false;
}
//Is it a syntactically valid hostname (when embeded in a URL)?
return filter_var('http://' . $host, FILTER_VALIDATE_URL) !== false;
//Is it a syntactically valid hostname (when embedded in a URL)?
return filter_var('https://' . $host, FILTER_VALIDATE_URL) !== false;
}
/**
* Check whether the supplied address uses Unicode in the local part.
*
* @return bool
*/
protected function addressHasUnicodeLocalPart($address)
{
return (bool) preg_match('/[\x80-\xFF].*@/', $address);
}
/**
* Check whether any of the supplied addresses use Unicode in the local part.
*
* @return bool
*/
protected function anyAddressHasUnicodeLocalPart($addresses)
{
foreach ($addresses as $address) {
if (is_array($address)) {
$address = $address[0];
}
if ($this->addressHasUnicodeLocalPart($address)) {
return true;
}
}
return false;
}
/**
* Check whether the message requires SMTPUTF8 based on what's known so far.
*
* @return bool
*/
public function needsSMTPUTF8()
{
return $this->UseSMTPUTF8;
}
/**
* Get an error message in the current language.
*
@@ -4553,7 +4789,7 @@ class PHPMailer
* Multi-byte-safe pathinfo replacement.
* Drop-in replacement for pathinfo(), but multibyte- and cross-platform-safe.
*
* @see http://www.php.net/manual/en/function.pathinfo.php#107461
* @see https://www.php.net/manual/en/function.pathinfo.php#107461
*
* @param string $path A filename or path, does not need to exist as a file
* @param int|string $options Either a PATHINFO_* constant,
@@ -4788,7 +5024,7 @@ class PHPMailer
* Uses the 'relaxed' algorithm from RFC6376 section 3.4.2.
* Canonicalized headers should *always* use CRLF, regardless of mailer setting.
*
* @see https://tools.ietf.org/html/rfc6376#section-3.4.2
* @see https://www.rfc-editor.org/rfc/rfc6376#section-3.4.2
*
* @param string $signHeader Header
*
@@ -4800,7 +5036,7 @@ class PHPMailer
$signHeader = static::normalizeBreaks($signHeader, self::CRLF);
//Unfold header lines
//Note PCRE \s is too broad a definition of whitespace; RFC5322 defines it as `[ \t]`
//@see https://tools.ietf.org/html/rfc5322#section-2.2
//@see https://www.rfc-editor.org/rfc/rfc5322#section-2.2
//That means this may break if you do something daft like put vertical tabs in your headers.
$signHeader = preg_replace('/\r\n[ \t]+/', ' ', $signHeader);
//Break headers out into an array
@@ -4832,7 +5068,7 @@ class PHPMailer
* Uses the 'simple' algorithm from RFC6376 section 3.4.3.
* Canonicalized bodies should *always* use CRLF, regardless of mailer setting.
*
* @see https://tools.ietf.org/html/rfc6376#section-3.4.3
* @see https://www.rfc-editor.org/rfc/rfc6376#section-3.4.3
*
* @param string $body Message Body
*
@@ -4868,7 +5104,7 @@ class PHPMailer
$DKIMquery = 'dns/txt'; //Query method
$DKIMtime = time();
//Always sign these headers without being asked
//Recommended list from https://tools.ietf.org/html/rfc6376#section-5.4.1
//Recommended list from https://www.rfc-editor.org/rfc/rfc6376#section-5.4.1
$autoSignHeaders = [
'from',
'to',
@@ -4974,7 +5210,7 @@ class PHPMailer
}
//The DKIM-Signature header is included in the signature *except for* the value of the `b` tag
//which is appended after calculating the signature
//https://tools.ietf.org/html/rfc6376#section-3.5
//https://www.rfc-editor.org/rfc/rfc6376#section-3.5
$dkimSignatureHeader = 'DKIM-Signature: v=1;' .
' d=' . $this->DKIM_domain . ';' .
' s=' . $this->DKIM_selector . ';' . static::$LE .