Re: CDONTS and SMTP server

Tech-Archive recommends: Speed Up your PC by fixing your registry

From: david epsom dot com dot au (david_at_epsomdotcomdotau)
Date: 02/11/04 

Date: Wed, 11 Feb 2004 14:28:05 +1100

Simple Mail Transport Protocol is a protocol for sending and
receiving mail.

A server is ......

A client is ......

If you look at the connections supported in MS Outlook, you can
see that it supports several different protocols - including, i
think, file drop for working with a network mail server.

We do use mail clients as mail servers: OLE automation,
OLE 'Server', OLE 'Client'. The security stuff makes it
difficult to use MS Outlook as a mail server.

We don't use mail servers as mail clients: a mail client is
a user interface for reading mail.

BLAT is a simple mail server: you use one protocol (win api)
to connect to it, and it uses another protocol (SMTP) to
communicate with the next mail server.

The MS SMTP service is another mail server: you drop well
formed mail packages into it's send folder, and it uses
SMTP to communicate with the next mail server.

A mail client or server that uses SMTP (called 'internet mail'
in MS Outlook) may need changes in the brave new world. Or
your ISP may configure their mail server to accept
unauthenticated SMTP mail from local IP addresses.

There are a couple of authentication/security initiatives
operating in parallel at present: authentication addresses
copy protection, virus problems, and spam problems. Secure
authentication operates 'end-to-end' and includes both
client and server authentication.

MS has made it difficult to use MS Outlook as a mail server
by requiring user interaction. But next, expect authentication
to be embedded into the operating system (Windows), and expect
to be able to configure MS mail servers to accept mail only
from clients and servers that are operating in Authenticated
mode.

(david)

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