SMTP authentication for broadband providers

Miquel van Smoorenburg miquels at cistron.nl
Thu Feb 12 20:48:06 UTC 2004


In article <cistron.20040212023825.GA77062 at metron.com>,
Lou Katz  <lou at metron.com> wrote:
>
>On Wed, Feb 11, 2004 at 03:13:30PM -0500, Sean Donelan wrote:
>> 
>> On Wed, 11 Feb 2004 Valdis.Kletnieks at vt.edu wrote:
>> > On Wed, 11 Feb 2004 11:15:20 PST, Dave Crocker said:
>> > > what about port 25 blocking that is now done by many access providers?
>> > > this makes it impossible for mobile users, coming from those providers,
>> > > to access your server and do the auth.
>> >
>> > Port 587.
>> >
>> 
>> So is it time for ISPs to start blocking port 587 too?
>> 
>> If the complaints are going back to the IP address anwyay, why shouldn't
>> an ISP force it subscribers to go through the ISPs mail servers so it can
>> control any messages sent by its subscribers?
>
>
>Because, maybe, I don't think it is a good idea for someone else to CONTROL
>any messages I might send. Who will control the controllers?

As if they don't yet CONTROL the messages you receive ? Where,
exactly, is your POP3/IMAP mailbox located ? Ah, you run your own
mailserver for your own domain. So, you can use the submission
port on your own mailserver, right ?

Mike.



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