It is always of course spammers that show up strange cases first..
Seems that there is some system that tries to allow for any kind of a
bad message, and still send it.. but.. don't think this is a good
implementation of a proxy..
Partial headers..
From: "Vikash" <vikashmourya...@outlook.com>
To: "Vikash" <vikashmourya...@outlook.com>
Subject: Proposal
Message-ID:
<oszp286mb1258f827a13b9dc82ad368ffb6...@oszp286mb1258.jpnp286.prod.outlook.com>
X-Mailer: Microsoft Office Outlook 12.0
Thread-Index: AdkZPWKaa4yH0ijySuiu3hRX012IoA==
Content-Language: en-in
X-TMN: [ZW6IC7qq1FZ+qYxkL5QcojGPALJzk7g5]
X-ClientProxiedBy: BMXP287CA0004.INDP287.PROD.OUTLOOK.COM
(2603:1096:b00:2c::23) To OSZP286MB1258.JPNP286.PROD.OUTLOOK.COM
(2603:1096:604:133::9)
Return-Path: vikashmourya...@outlook.com
X-Microsoft-Original-Message-ID: <001e01d9194a$71ada520$5508ef60$@com>
Please, Microsoft fix that proxy to address the case where an existing
Return-Path exists. If this is a proxy, then it isn't the final
handler, so the Return-Path should not be set.
Now of course, the original Message-ID looks suspect, eg @com, but the
MS system should NOT be replacing the Message-ID, with a newly created
one, or should it? If MS believes that it is a malformed Message-ID,
should it not be rejected? If is good enough to be accepted, then should
it not be left alone?
I get it if there isnt' a message id set by the client, the MTA should
add one, but what is the consensus when the Message-ID is bad <sic>.
Technically, RFC's appear to allow a 'host' to the right of the @
symbol, although it is recommended to be a domain..
"Note: As with addr-spec, a liberal syntax is given for the right-
hand side of the "@" in a msg-id. However, later in this section,
the use of a domain for the right-hand side of the "@" is
RECOMMENDED. Again, the syntax of domain constructs is specified
by and used in other protocols (e.g., [RFC1034], [RFC1035],
[RFC1123], [RFC5321]). "
Anyways, it is a simple way MS can avoid relaying broken emails through
it's proxies.. Should they allow these? Consensus?
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