[77755] in North American Network Operators' Group

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Re: Time to check the rate limits on your mail servers

daemon@ATHENA.MIT.EDU (Joel Jaeggli)
Thu Feb 3 18:42:00 2005

Date: Thu, 3 Feb 2005 15:41:34 -0800 (PST)
From: Joel Jaeggli <joelja@darkwing.uoregon.edu>
To: Adi Linden <adil@adis.on.ca>
Cc: nanog@merit.edu
In-Reply-To: <Pine.CYG.4.58.0502031732150.1764@citabria>
Errors-To: owner-nanog-outgoing@merit.edu


On Thu, 3 Feb 2005, Adi Linden wrote:

>
> How about using SMTP AUTH and verifying the envelope MAIL FROM to match
> the actual user authenticating?

that doesn't work if you have more than one email address.

> This will make SPAM traceable and
> hopefully ultimately users aware that their PC is sending junk.

auth is sufficient to make email traceable to your own customers.

> Adi
>
>

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