[Asrg] where the message originated (was: DKIM role?) (SM)

[Ian Eiloart]

--On 10 January 2009 21:18:34 -0600 Gordon Peterson <gep2 at terabites.com> 
wrote:

> It is important to remember that many individuals and many small
> companies use personal or "vanity" domain names.
>
> These domain names appear in their "From:" and "Reply-to:" addresses on
> their outgoing e-mail messages, but SHOULD NOT be presumed to indicate
> where the e-mail in question is arriving from.
>
> For example, I might be travelling somewhere and sending e-mail messages
> from an inhabitual location:  a cruise ship Internet cafe, an Internet
> access kiosk above a post office location in Beijing, a coffee bar, or
> other such public-access location.  In such a situation, I will typically
> have NO control over what outgoing mail server is sending my e-mail
> message, and since my being there is temporary I obviously don't want to
> put a return address on my mail that would be connected with the location
> where I physically am at the time.

You need to use your email service provider's Message Submission Service. 
That should be available to authenticating clients on port 587. 
Alternatively, use their webmail. If your Internet cafe is willing to relay 
your email, then they're willing to relay spam, too, and should therefore 
be blacklisted.

>

-- 
Ian Eiloart
IT Services, University of Sussex
x3148