To find out your server IP address. Use windows DOS "Command Prompt" (click
Start/Programs/Accessories), when the DOS screen opens, at the prompt enter
nslookup followed by the name of the domain.
Example - if your domain is mailsbroadcast.com
nslookup mailsbroadcast.com [hit enter
key] to display your
domain IP address.
To get a DOS prompt in Windows 2000 or XP, go to
Start/Run, type in "CMD" and click OK.
Mail Transport Protocol is used for sending and
receiving email messages, it is a protocol governing email
transmission and reception. Email servers uses a variety of protocols to communicate with the
Internet and SMTP,
(Post Office Protocol) is for sending and retrieving
mails from a mail server.
Post Office Protocol Version 3
rfc1939 used for delivering messages to (client) mail readers
(fetch mails from a remote mail server and store it locally).
See Basic email delivery or
How Email Works?
The email client sends
a login (UserID) and a password to authenticate the session. If
accepted--the mail client send commands to retrieve messages, then the server transfers
the messages and deletes them from the mailbox.