Users'
Subject: Re: [courier-users] Re: freemail list and questions about
yahoo...
Mitch (WebCob) wrote:
Personally I don't see that as a bad thing - it makes it a lot
simpler to keep tabs on the spam problem, and since authenticated
SMTP and open source webmail systems are so common, I would
--On Dienstag, 6. Januar 2004 20:13 -0800 Roger B.A. Klorese
[EMAIL PROTECTED] wrote:
Julian Mehnle wrote:
I don't see the problem. http://spf.pobox.com/objections.html#forwarding
handles it, I think.
But it's just wrong.
If I am connected to my Earthlink DSL at home and want to send
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf
Of Julian Mehnle
Well, well. Some Internet Service Providers or Internet
Access Providers (e.g. Earthlink or some hotels) provide
crippled Internet access by blocking random IP ports. So
what? That's neither SPF's nor
-Original Message-
From: Julian Mehnle
Sent: Wednesday, January 07, 2004 10:47 AM
Roger B.A. Klorese [EMAIL PROTECTED] wrote:
Julian Mehnle wrote:
And why has nobody else yet implemented YASAF?
Before they write it and build its infrastructure?
Perhaps you'd like to
Malcolm Weir wrote:
So why do you, and others, seem so upset with a proposal that *is*, in at
least some regards, more secure and more useful (to large ISPs)?
Who's upset? I'm afraid I started this by asking how the damn thing
works, and all that seems clear is that no one really knows. All
-Original Message-
From: Julian Mehnle
Sent: Wednesday, January 07, 2004 1:41 PM
Malcolm Weir [EMAIL PROTECTED] wrote:
So why do you, and others, seem so upset with a proposal
that *is*, in
at least some regards, more secure and more useful (to large ISPs)?
I'm getting upset
While we're all ranting (SPF vs. YASAF, etc.)... has anyone seen an open
source equivalent of this system:
All messages from unknown senders are bounced. The bounce contains a link to
a robot-unfriendly prove you are a human with a real email address page
that consists of one of those enter the
(WebCob)
Sent: 07 January 2004 23:47
To: Gordon Messmer; Courier Users
Subject: Alternative concepts to SPF vs. YASAF WAS RE: [courier-users] RE: freemail
list and questions about yahoo...
While we're all ranting (SPF vs. YASAF, etc.)... has anyone seen an open
source equivalent of this system:
All
All messages from unknown senders are bounced. The bounce contains a
link to
a robot-unfriendly prove you are a human with a real email address
page
that consists of one of those enter the letters you see in this
picture
forms. Doing that validates the sender as a real person, not a
spammer,
-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Bill
Michell
Sent: Wednesday, January 07, 2004 3:55 PM
To: 'Courier Users'
Subject: RE: Alternative concepts to SPF vs. YASAF WAS RE:
[courier-users] RE: freemail list and questions about yahoo...
When you add yourself to a mailing list
Mitch (WebCob) wrote:
I just tried it out - the TDMA (www.tdma.net) replies with a message
(pasted below for reference). This is exactly the sort of thing I was
thinking of - haven't looked at how easy it is to integrate with
courier, but I imagine it wouldn't be hard
It's not. Be sure not to
-Original Message-
From: Julian Mehnle
Sent: Wednesday, January 07, 2004 3:53 PM
Malcolm Weir [EMAIL PROTECTED] wrote:
Julian Mehnle wrote:
while some people think it
should be generally adopted *instead* of rivaling schemes
like SPF
due to Yahoo's 800lb Gorilla
Sam Varshavchik wrote:
Provided that they will follow through on their promise, and they don't
do something stupid, like using a trusted authority certificate model,
this is going to be the final solution. freemail is just a temporary
stop-gap measure.
Sam Varshavchik wrote:
Gordon Messmer writes:
Acknowledging that my opinion isn't worth much, this seems stupid. As
described, the solution would require all of the work that SPF does
(http://spf.pobox.com/), plus additional computation. What's the
additional check get you?
Forwarding will
, January 06, 2004 10:19 AM
To: Courier Users
Subject: Re: [courier-users] Re: freemail list and questions about
yahoo...
Sam Varshavchik wrote:
Gordon Messmer writes:
Acknowledging that my opinion isn't worth much, this seems stupid. As
described, the solution would require all of the work that SPF
-Original Message-
From: Gordon Messmer
Sent: Tuesday, January 06, 2004 10:19 AM
To: Courier Users
Sam Varshavchik wrote:
Gordon Messmer writes:
Acknowledging that my opinion isn't worth much, this seems
stupid.
As described, the solution would require all of the work
Gordon Messmer wrote:
Acknowledging that my opinion isn't worth much, this seems stupid. As
described, the solution would require all of the work that SPF does
(http://spf.pobox.com/), plus additional computation. What's the
additional check get you?
If the particular server is who it says it
Mitch (WebCob) wrote:
Personally I don't see that as a bad thing - it makes it a lot
simpler to keep tabs on the spam problem, and since authenticated
SMTP and open source webmail systems are so common, I would question
why ANYONE would send mail from a foreign domain through a
convenient SMTP
-Original Message-
From: Julian Mehnle
Sent: Tuesday, January 06, 2004 3:08 PM
[ Snip ]
As each message is injected into the public internet by a SMTP
server, that message is signed with a private key controlled by
whoever owns the injecting domain.
From that point on,
Julian Mehnle wrote:
But it *could* be. You can set the following SPF record for
workdomain.com (if Earthlink has their own SPF set up correctly):
v=spf1 [...] include:earthlink.net -all
or (if Earthlink uses their incoming MXes as outgoing MXes as well):
v=spf1 [...] mx:earthlink.net -all
or
JulianMehnle wrote:
See it this way: the domain owner has to determine which networks the
domain users are allowed to send mail from. It's not always about
employer/emplyoee. In fact, most of the time it will be
ISP/customer.
I see that as stupid and totalitarian.
If I have an Earthlink
Julian Mehnle wrote:
And why has nobody else yet implemented YASAF?
Before they write it and build its infrastructure?
Perhaps you'd like to tell me why you're not driving the 2033 Porsche.
---
This SF.net email is sponsored by: IBM Linux
Sam Varshavchik wrote:
You forgot all about authenticated SMTP. You can use any ISP, and
authenticate yourself to Earthlink's mail servers. After you are
authenticated, you have relaying privileges, and Earthlink's mail
servers will sign your relayed mail automatically.
Not with pobox.com's
Sam Varshavchik wrote:
Yes, they can. SMTP's twin sister, the mail submission protocol, uses
port 587, which will be unaffected by Earthlink's stupid firewall.
Perhaps. But why assume it won't be blocked? I'd expect them to block
it in a New York minute.
I think that the spam problem has
Sam Varshavchik wrote:
Reverse, and forward.
So why is web60006.mail.yahoo.com not being seen as in yahoo.com?
-andy
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Sam said:
Mitch (WebCob) writes:
So I am assuming that the way freemail works is that it checks to see
if
the sending server is in the MX list for the freemail domain - I
understood
No.
the docs to mean that it would reverse resolve within the domain - which
seems to be wrong...
Reverse, and
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