Lyndon:

Also to add to Matt's comments a lot of problems also come up with web
forms.  This is one reason we have not yet implemented SPF for our server..
Have not taken the time to figure out ..

Imagine someone on CNN's site using the eMail friend - to show you this I
went to CNN and sent myself an email using the email feature.  Look at the
header:

X-Note: Spool File: Db7d90d5d018a63fd.SMD
X-Note: Server Name: relay.clickability.com
X-Note: SMTP Sender: [EMAIL PROTECTED]
X-Note: Reverse DNS & IP: relay.clickability.com [208.184.224.73]
X-Note: Recipient(s):  [EMAIL PROTECTED]
X-Note: Country Chain: UNITED STATES->destination

If we delete an email base on SPF of ClickandPledge it would be deleted.

Hope this helps.

Kami

 

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Matt
Sent: Thursday, March 11, 2004 1:48 PM
To: [EMAIL PROTECTED]
Subject: Re: [Declude.JunkMail] SPF

Lyndon,

I get a lot of E-mail that would fail SPF that is in fact valid.  A lot of
mail scripts and E-commerce sites are set up to send E-mail notifications
with the Mail From generated from a user submission (since one can just
simply press reply in order to respond).

Also, some of my own customers are blocked by their ISP's from using my mail
server for SMTP, which means that if I configured SPF strictly for their
domains, they would fail this test wherever implemented.

If you opt to use SPF on your system, take advantage of the weighting
capabilities of Declude, and I would suggest at most being very cautious
about how much weight you give it.

Matt



Lyndon Eaton wrote:

>That's a real shame! If you received a negative response from an SPF 
>participating domain, you should be able to reject the message straight 
>off. That way you aren't left 'carrying the can' so to speak, and the 
>email gets stuck with the HiJacked server or the spammer. Similar to 
>how AOL reject connected if the rev DNS lookup fails.
>
>
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