Hello,
This is the strangest one that I have seen...
One of our clients cannot download mail from only one of her friends.
Headers
indicate that her friend's machine puts out the following as the source
received by her
ISP:
"from unknown (HELO Dude) ([EMAIL PROTECTED])".
The message gets to our server and has been verified to be clean of Viri.
Outlook express, however, cannot download the message. There are no
strange
characters like "carrige returns without line feeds". As far as I can tell,
the only
unusual thing is that her friend's machine is putting out this unusual version
of source
IP. I think that it is allowed by RFC's, but it is unusual in other e-mail
that is on our
server.
Any thoughts would be appreciated.
Thanks.
Rich
[EMAIL PROTECTED]
-----Original Message-----
From: Randy Brukardt <[EMAIL PROTECTED]>
To: [email protected] <[email protected]>
Date: Sunday, February 29, 2004 8:30 PM
Subject: RE: Block e-mail with just ONE Received: line...
>Alan said:
>
>
>> By the time a message gets to my IMS server, its passed through
>> 2 of my own smtp servers. So in this example, I'd have to reject
>> messages with 3, not 1 received lines.
>>
>> So if this feature is developed, I'd request that the number of
>> received lines be configurable.
>
>I second that. In my case, some mail comes from my ISP's server (which
>serves as a secondary), and some comes directly.
>
>In any case, a widely used "caller ID" for mail (such as SPF) would be more
>useful, because a filter like the one proposed will only work until spammers
>start adding fake Received lines to their spam. While a "caller ID" would
>block everything not sent by authorized senders. I'm thinking about adding
>an SPF option to Trash Finder, but that won't be for a while. (Until SPF or
>something like it is widely used, you wouldn't want to refuse all mail not
>handled by it.)
>
> Randy.
>
>
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