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pop3.txt
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1994-05-16
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DEMON INTERNET LIMITED
======================
42 Hendon Lane
Finchley
London
N3 1TT
081-349 0063 (London)
031-552 0344 (Edinburgh)
email internet@demon.net
POP3.TXT - DEMON INTERNET POP3 Server
Last updated 16th May 1994.
The latest version of this document is available from
ftp.demon.co.uk:/pub/doc/POP3.txt
We are offering a POP3 Mail Server Service from May. This is Post Office
Protocol and is ideal for the user who travels the world or who would
prefer to use a POP3 Mail Server rather than an SMTP one because thats
what their mail software uses. It enables you to retrieve mail from
whereever you have Internet access thus avoids expensive long distance
phone calls.
Your email address is in the form of a.smith@pop3.demon.co.uk
The cost is #25 to join and #180 per annum and this is a totally
separate charge from any other service we run. There are no
usage charges.
To subscribe to the service mail sales@demon.net or call Grahame Davies
on 081 349 0063.
We will need either credit card billing details or a faxed purchase order
to 081 349 0309.
For an indepth review of POP3 see RFC1081.
POP3 is user based protocl, and it intended for users who wish to have a
single email account that they can access from other hosts on the Internet.
It is not marketed as a service to replace SMTP, as there are solutions for
Macintosh users, viz the imminent release of a further three mechanisms to
receive mail on the Macintosh, to add to the other three methods that exist
currently. AddMail, Airmail and Mailshare & Leemail124, Net/Mac, and
MacPost respectively.
The server offers several options that can be enabled:
The Notify Mail application:
This is a Macinstosh background application, that listens on port 79 for an
incoming finger, it then sends an apple event to Eudora saying that mail is
waiting. Eudora can be set to collect mail, or merely notify the user. It
is capable of starting Eudora if it is not running at the time.
APOP
This is an encryption scheme to pass Passwords over the net whilst logging
into the POP3 server. It requires a plugin for Eudora on the Mac, I am not
sure that it is available for PCEudora.
Mail Forwarding
Mail to a user can be redirected to another mail account.
Password changing
Can be done by the user. Does not require a seperate application
running on the server.
Mail Lists
It is possible to have an email list running on the server. All that is
required is a simple text file with the user@host.domain in a column.
Notify Mail:
NotifyMail is a system extension that listens for a finger connection When
it receives the connection, it gives you instant notification of new mail.
This can be either by displaying a dialog box, sending an AppleEvent to
Eudora, playing a sound, or running another application (the application
can be an AppleScript applet).
The benefit of using it is that if net surfing, Eudora will only poll for
mail when mail arrives, this is preferable to the common practice of
setting it to check every few minutes which will put a load on any POP3
server.
Apple Macintosh System Requirements:
System 7.0.0 or higher
MacTCP 1.1 or higher
Eudora 1.4 or higher (optional)
POP account on a Macintosh running MailShare
Note for SLIP and PPP users:
If your connection does not load at startup (i.e. before the Finder
starts), then you will have to use ResEdit to change the file type of
NotifyMail from 'appe' to 'APPL'. After your connection has started, you
will then have to launch NotifyMail by double clicking its icon.
Problems with transferring mail.
MailShare will automatically delete mail after it has been sent to the
client, even if the connection fails or timeout subsequently. This does not
happen with the standard popper distribution on Unix.
Leaving Mail on the server:
This is possible to do, I would propose to put a size limit on the account
which can be upped on request, but to request that users refrain from using
the feature. Possibly reminding them that they will have to delete it at
some point by downloading it again. It is possible to telnet into the
server and do it by hand using the "dele" command, for each individual
file.