-=PCTechTalk=- Re: POP3 vs. IMAP
- From: "Sandi Beach" <sandib2@xxxxxxxxx>
- To: <pctechtalk@xxxxxxxxxxxxx>
- Date: Fri, 26 Sep 2008 19:23:37 -0500
Thank you G. You are a great teacher! This is one I will print off and
study a while to see if it all soaks in.
Sandi
----- Original Message -----
From: "Gman" <gman.pctt@xxxxxxxxx>
To: <pctechtalk@xxxxxxxxxxxxx>
Sent: Friday, September 26, 2008 6:25 PM
Subject: -=PCTechTalk=- POP3 vs. IMAP
> Sandi,
> POP3 and IMAP differer in both how they work behind the scenes as well
> as how they appear within your email client of choice.
>
> POP3 allows you to request a download of your email messages from the
> server to your email client. Although you can set up your client to
> repeat
> this process at set intervals (most clients do this automatically) or to
> manually download your messages at any time, each request is handled
> separately and no further client-server communication is necessary for
> those
> messages already downloaded. By default, all clients will then send a
> signal to the server telling it to delete any messages that have been
> received by the client, but this can be changed within the client's
> options
> area. So basically, POP3 grabs up your email from the server and then the
> server is cleared when it's done. Note that Gmail's Spam folder and its
> contents are not included in these POP3 downloads.
>
> IMAP, on the other hand, establishes a constant connection between the
> email client and the server. Whe you fire up your email client, it
> immediately tries to let the server know that it's active and ready. The
> two of them then begin a process of 'comparing notes' to see what changes
> have been made to both since the last time they were connected. If there
> are any "new" messages on the server, those will be sent to the client.
> If
> there are any "old" messages that are now missing on the client (those you
> deleted), they will also be wiped from the server's collection. If you
> create a new folder within your client and move some messages to it, those
> changes will also be duplicated on the server. If you go into the online
> webmail interface (instead of your client) and make those changes, they'll
> also show up within your email client the next time you "Syncronize" your
> client with the server. So, by using IMAP, you're able to see and
> manipulate everything that is sitting on the email server while still
> using
> your own favorite email client (and vice versa). Note that I'm not sure
> whether or not Gmail's Spam folder and its contents are included since I
> only use POP3 for my Gmail accounts and have not tried their IMAP
> offering.
>
> Peace,
> Gman
>
> "The only dumb questions are the ones we fail to ask"
>
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