Using php & Gmail api client to get a gmail message and then reply to the message. Looking at the headers, there is no in-reply-to.
Here is my code:
$service = new \Google_Service_Gmail($client);
$message = $service->users_messages->get("me", $messageId);
$messagePayload = $message->getPayload();
$headers = $message->getPayload()->getHeaders();
Here are the headers that I get back... Nowhere in the array is the actually reply to address. How do I know how to, or even respond to this message using the API if the headers don't supply the In-Reply-To header?
Array ( [0] => Array ( [name] => Delivered-To [value] => [email protected] )
[1] => Array
(
[name] => Received
[value] => by 10.157.39.46 with SMTP id xxxxxxxx; Mon, 20 Nov 2017 15:59:44 -0800 (PST)
)
[2] => Array
(
[name] => X-Google-Smtp-Source
[value] => [this was a long encoded string]
)
[3] => Array
(
[name] => X-Received
[value] => by xx.xx.xx.xx with SMTP id [an id]; Mon, 20 Nov 2017 15:59:44 -0800 (PST)
)
[4] => Array
(
[name] => ARC-Seal
[value] => [this was a long encoded string]
)
[5] => Array
(
[name] => ARC-Message-Signature
[value] => [this was a long encoded string]
)
[6] => Array
(
[name] => ARC-Authentication-Results
[value] => i=1; mx.google.com; spf=pass (google.com: domain of [email protected] designates xx.xx.xx.xx as permitted sender) [email protected]
)
[7] => Array
(
[name] => Return-Path
[value] =>
)
[8] => Array
(
[name] => Received
[value] => from www.xxxxxx.com (xxxxx.com. [xx.xx.xx.xx]) by mx.google.com with ESMTP id xx.xx.xx.xx for ; Mon, 20 Nov 2017 15:59:44 -0800 (PST)
)
[9] => Array
(
[name] => Received-SPF
[value] => pass (google.com: domain of [email protected] designates xx.xx.xx.xx as permitted sender) client-ip=xx.xx.xx.xx;
)
[10] => Array
(
[name] => Authentication-Results
[value] => mx.google.com; spf=pass (google.com: domain of [email protected] designates xx.xx.xx.xx as permitted sender) [email protected]
)
[11] => Array
(
[name] => Received
[value] => from www (localhost [xx.xx.xx.xx]) by www.xxxxx.com (Postfix) with ESMTP id xxxxxxxx for ; Mon, 20 Nov 2017 16:59:44 -0700 (MST)
)
[12] => Array
(
[name] => Message-ID
[value] => <xxxxxxx.JavaMail.root@www>
)
[13] => Array
(
[name] => From
[value] => xxxxxxxx
)
[14] => Array
(
[name] => Mime-Version
[value] => 1.0
)
[15] => Array
(
[name] => Content-Type
[value] => multipart/mixed; boundary="----=_Part_xxxxxxxxxx"
)
[16] => Array
(
[name] => To
[value] => xxxx xxxxxxxx
)
[17] => Array
(
[name] => Subject
[value] => xxxxxx
)
[18] => Array
(
[name] => Date
[value] => Mon, 20 Nov 2017 16:59:44 -0700 (MST)
)
)
