When using EWS Managed API to send Email via Exchange Server 2007.
I noticed that MAPI clients like MS Outlook display all custom
headers.
But when I use POP3/IMAP clients like MS Outlook Express.
I have noticed that these custom
headers do not display in the message opened from MS Outlook Express.
Is there a setting in Exchange Server 2007 that we can set to make these custom
headers propagate and be received by a POP/IMAP client?
Also why do custom
headers in example below display up in lower case in MAPI clients like MS Outlook? But surprisingly if we use SMTPClient class to send email then these
headers display as sent with Case Sensitive letters. eg. Header.
Example of
Headers received by a MAPI client like MS Outlook via Exchange Server 2007
Received: from EXMAILVS1.blabla.com ([192.168.191.136]) by
cashtp02.blabla.com ([XXX.XXX.XX.XXX]) with mapi; Mon, 20 Dec 2010 12:17:05
-0800
Content-Type: application/ms-tnef; name="winmail.dat"
Content-Transfer-Encoding: binary
From: asfsdf <
[email protected]>
To: asdsdf <
[email protected]>
Date: Mon, 20 Dec 2010 12:17:04 -0800
Subject: Please send me this header
Thread-Topic: Please send me this header
Thread-Index: AQHLoILek7g5cFgHQU6lHHfiKkdUMg==
Message-ID: <
[email protected]>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-Exchange-Organization-SCL: -1
X-MS-TNEF-Correlator: <
[email protected]>
customheader1: hello ali
customheader2: hello Jace
MIME-Version: 1.0