Outlook replacement
Hal Duston
hald at sound.net
Wed Feb 5 21:35:24 CST 2003
On Wed, 5 Feb 2003, Dustin Decker wrote:
> On Wed, 5 Feb 2003, Benjamin Fisher wrote:
>
> > Well, so long as I go use outlook, I can send out to anybody. It's
> > using SMTP as far as I can tell. And prob. MAPI for incoming? Hum.
>
> Benjamin,
> I'm not sure if I misunderstand you here, or if perhaps you need help in
> understanding how SMTP, IMAP, and POP work.
>
> For starters, SMTP is the simple mail transport protocol. This is the
> protocol used _between_ one mail server and another. Unless you're hand
> crafting spam, it is highly unlikely you will ever make use of it
> directly. The proper jargon for the server in this case is an MTA or
> message transport authority.
>
> POP is the post office protocol. Generally, this protocol is used by a
> mail reader to connect to the mail server, and retrieve all messages to
> local storage (although it can often be configured to leave copies on the
> server). This protocol is also used to submit your newly composed
> messages to the server. The server will then use SMTP to deliver it to
> the final destination mail server. As you can see here, this probably
> isn't at all what you're dealing with.
Actually (having just refreshed my memory by rereading RFC1931), I can
state that an email client _does_ in fact use SMTP to send the mail.
POP3 has no mechanism for sending mail, only retrieving it.
Hal
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