On 02/26/03 at 11:02, Chris Wagner opined:
> Christopher,
>
> Exactly what is SMTP AUTH?
>
> Is that something similar to APOP but done with the SMTP module?
Yes, in that it is username/password authentication of SMTP sessions.
However, it is not a required part of the SMTP protocol, so not all mail
clients support it (most modern clients should support it these days).
> I guess I need to see how that would be an advantage.
When you send mail, you use SMTP. It's better to authenticate the sender by
authenticating the SMTP connection directly, rather than by implication
from a previously authenticated POP connection from the same IP address.
> Also, if I required that all our local clients to use SMTP AUTH,
SIMS can't _require_ SMTP AUTH, but it does allow it for any SMTP
connection if the sending client attempts it. It makes no difference if the
client is 'local' or remote. In this instance, 'remote' is any host that's
not the mail server, so even machines on the same LAN would be 'remote'
hosts.
> would that setting also work for them on a remote basis?
It works from anywhere, which is what makes it useful.
> I mean, can they go home and still check and send mail using the SIMS
> box?
Yes.
> And exactly how does SIMS approach the transaction between the two to
> allow permission?
If you're using SMTP AUTH, there's no relationship between POP and SMTP
connections (which are really unrelated anyway). Each connection is
authenticated separately. That means that you can send mail any time you
want, without having to have checked mail via POP immediately prior to
sending.
--
Christopher Bort | [EMAIL PROTECTED]
Webmaster, Global Homes | [EMAIL PROTECTED]
<http://www.globalhomes.com/>
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