When I create the mail message, I am doing this:
mail.Date = System.DateTime.UtcNow;
Is that the proper way? My mail is showing up on the recipient's end as if it had been sent five hours after it was actually sent. Mail sent at 3:53PM is being displayed in the mail clients as mail sent at 8:53PM.
Sender and Recipient are in the same timezone, and the timezone is correctly set in the recipients' mail clients to US/Eastern.
Here's an example header (with some of the values xxx'd or 000'd)
Delivered-To: xxxxxxx@xxxxxxxxxx.com
Return-Path: <xxxxxxx@xxxxxxxxxx.com>
Received: from smtp42.gate.ord1c (smtp42.gate.ord1c.rsapps.net [172.28.146.42])
by store252a.mail.ord1c (SMTP Server) with ESMTP id 9A4A924804E
for <xxxxxxx@xxxxxxxxxx.com>; Mon, 28 Dec 2015 15:53:07 -0500 (EST)
X-Spam-Exception: WHITELISTED
X-Spam-Threshold: 95
X-Spam-Score: 0
X-Spam-Flag: NO
X-Virus-Scanned: OK
X-MessageSniffer-Scan-Result: 0
X-MessageSniffer-Rules: 0-0-0-17604-c
X-CMAE-Scan-Result: 0
X-CNFS-Analysis: v=2.1 cv=U6OrU4bu c=1 sm=0 tr=0 a=E3KZ53FmvAFxQtyWo729Vw==:117 a=E3KZ53FmvAFxQtyWo729Vw==:17 a=eUUv1Kr9AAAA:8 a=GF4HiIEFAAAA:8 a=gJXaGKmUAAAA:8 a=j_THLXQgAAAA:8 a=9aB_464TkPoA:10 a=ZF5xyRqM_rsA:10 a=wUQvQvOEmiQA:10 a=XldT38RWNwACPDQzwzUA:9 a=a6TuipSTKi9_n9gZ5wgA:9 a=rxU8d5E9zrHUl-Wq:21 a=CjuIK1q_8ugA:10 a=-e9UblrzyaYA:10 a=VZUV-xAXAcgA:10 a=hokfEHsddmAA:10 a=tUgD1FESsEOEsYIsAIkA:9 a=c9A9mnKb6z0JHuZG:18 a=HXjIzolwW10A:10
X-Orig-To: xxxxxxx@xxxxxxxxxx.com
X-Originating-Ip: [173.000.000.63]
Received: from [173.000.000.63] ([173.000.000.63:57692] helo=smtp3.relay.iad3a.emailsrvr.com)
by smtp42.gate.ord1c.rsapps.net (envelope-from <noreply@xxxxxxxxxx.com>)
(ecelerity 2.2.3.49 r(42060/42061)) with ESMTPS (cipher=AES256-SHA)
id 1A/6C-09519-331A1865; Mon, 28 Dec 2015 15:53:07 -0500
Received: from smtp3.relay.iad3a.emailsrvr.com (localhost.localdomain [127.0.0.1])
by smtp3.relay.iad3a.emailsrvr.com (SMTP Server) with ESMTP id 1410030024A
for <xxxxxxx@xxxxxxxxxx.com>; Mon, 28 Dec 2015 15:53:07 -0500 (EST)
X-SMTPDoctor-Processed: csmtpprox beta
Received: from smtp3.relay.iad3a.emailsrvr.com (localhost.localdomain [127.0.0.1])
by smtp3.relay.iad3a.emailsrvr.com (SMTP Server) with ESMTP id 114DE3001F9
for <xxxxxxx@xxxxxxxxxx.com>; Mon, 28 Dec 2015 15:53:07 -0500 (EST)
X-Auth-ID: noreply@xxxxxxxxxx.com
Received: by smtp3.relay.iad3a.emailsrvr.com (Authenticated sender: noreply-AT-xxxxxxxxxx.com) with ESMTPSA id EAC46300259
for <xxxxxxx@xxxxxxxxxx.com>; Mon, 28 Dec 2015 15:53:06 -0500 (EST)
X-Sender-Id: xxxxxxx@xxxxxxxxxx.com
Received: from xxxxxx.xxxxxxxxxx.net ([UNAVAILABLE]. [96.00.00.65])
(using TLSv1.2 with cipher DHE-RSA-AES256-SHA256)
by 0.0.0.0:465 (trex/5.5.4);
Mon, 28 Dec 2015 15:53:07 -0500
Message-ID: <ff74253df5d366f8ea5ad56334b8c5ba@puget64>
Date: Mon, 28 Dec 2015 20:53:02 -0500
Subject: Event Confirmation
To: <xxxxxxx@xxxxxxxxxx.com>
Reply-To: "noreply"
From: <noreply@xxxxxxxxxx.com>
MIME-Version: 1.0
Content-Type: multipart/related;
type="text/html";
boundary="------_=_NextPart_001_1A10E33F.09B40FBA"
This is a multipart MIME message.
--------_=_NextPart_001_1A10E33F.09B40FBA
Content-Type: text/html;
charset="us-ascii"
Content-Transfer-Encoding: quoted-printable