Understanding Email

Everybody knows what email is, right? In the modernyour email or you receive several large attachments,
business world, email has become one of our mostthen your mailbox on the server can still get full, but
important methods of communication, and indeedas soon as you check your mail with the mail client,
often a web hosting client considers the operation ofthe mailbox is emptied just like a regular postal
his email more important than the website itself.mailbox and the cycle starts over. An email client
Unfortunately however, most people have only ausually also comes with a larger range of features,
very superficial idea of how email really works, sosuch as address books, mail filtering and folder
when trouble does arise, they have no idea how tostorage options, read receipt notices and other things
troubleshoot the problem and it takes longer to solve.that a web-based program can't handle because it
Just by knowing the basics of how email works, youwould bog the server down trying to handle all that
can give a more accurate problem description to techfor hundreds or thousands of accounts.
support personnel and even solve some problemsThe downside of using an email client is that you can
yourself! You might even find some new and usefulonly check the mail from wherever you have the
features of your email that you didn't know aboutclient set up with your account settings entered into
before. Let's get started.it. If you want to check the mail from two different
What exactly is an email address?computers, then whichever computer checks the mail
The short answer is that an email address is a userfirst will get it and the other one won't, just like two
account of a particular domain name that is hostedpeople checking the corner mailbox. Most email clients
somewhere. That domain name can be your own orhave a setting that allows you to leave a copy of
one that someone else allows you to have anmessages on the server so that multiple computers
account on, such as or Either way, the domain mustcan get the same mail, but this has to be carefully
be hosted, not simply registered. The web hostingcoordinated among the different computers involved.
server is what provides the software to send andA more convenient way to do this is using the IMAP
receive mail and the disk space to store receivedprotocol, as you'll see below.
messages in a mailbox file.Can I use both web-based mail and an email client at
All web hosting accounts come with the ability tothe same time?
create user email accounts. To create the emailYes, absolutely. Many people use an email client when
address , you would log into your hosting controlthey are in their office or at home and check their
panel for and create a new user called "myname" inmail through the web-based interface provided by
the user account management area and create atheir web host when they are away from their
password for that user. Once this is done, ancomputer. One does not interfere with the other.
internet-accessible mailbox is created on the serverWhat is IMAP?
which you can begin using to send and receive emailIMAP (Internet Message Access Protocol) was
by whatever connection methods your host allows.designed to solve the problem of checking mail from
What happens when I check my email?multiple computers in an email client. When you are
Before we start this answer, there are two types ofchecking mail on multiple computers with the POP
email accounts that you can use, POP and IMAP. POPmethod, then each computer has its own record of
(Post Office Protocol) is by far the most commonhow the mail has been managed. If you delete an old
and is what we will discuss first. IMAP will bemessage on one computer and the other computer
described separately below.also has a copy of the same message, you will have
As we said above, every email address has ato delete it a second time on the other computer in
username and a password. Wherever you log in toorder for both clients to match. IMAP solves this
check your email, whether it is a web-based interfaceproblem by maintaining the mailbox on the server
like or an email client like Outlook Express, you havewithout sacrificing the client software's added
to provide your username and password to receivefunctionality. Any client checking an IMAP-enabled
mail. The username tells the server which mailbox fileemail account will see the same mailbox contents no
to retrieve or display the mail from, and thematter where it is, but will still be able to execute all
password confirms your identity to prove to theof the functions programmed into the client on that
server that you are authorized to receive the mail.mail as if it were using a POP account.
The server has your password stored in a file fromIMAP has the same disadvantages as web-based
the time your account was created, and wheneveremail in that you are limited to the amount of disk
you log in, it compares the password you providespace allowed by your host and access speed is slow
with the password it has on file. If they match, thenbecause you are accessing a remote server
the server allows you to access the mail in yourrepeatedly. For this reason, IMAP is much less
mailbox.common than POP email.
All passwords are case-sensitive, so if your originalWhat is an email alias?
password is "PassWord" and you try to log in withSuppose your email address is , but you want people
"password", it won't work. Usernames are notto be able to email you at or as well. You don't have
case-sensitive, however, so the server will recognizeto set up three different user accounts if all of that
you whether you log in as "MyName" or "myname".mail is coming to you. Instead you can set up aliases,
What is the difference between web-based emailalso called forwarders, to your account, which are
and using an email client?other names that forward to the same mailbox. You
The two primary ways to access an email accountstill have to use the original username to log in and
are from a web-based interface or by using an emailcheck your mail, but you can set up as many aliases
client program, like Eudora, Thunderbird or Microsoftto your account as you want. These would be set
Outlook. Here's how they work:up in your web hosting control panel in the user
1. Web-Based Mail: This type of access is doneaccount management section.
through your web browser. You would browse to aYou can also set up aliases that go to multiple
particular web page that has a login area connectedaddresses. For instance, if your company has three
to the web hosting server that houses your account.salespeople each with their own email address, but
You put in your username and password and you areyou want all of them to receive a copy of messages
conveyed to a page that displays the contents ofsent to , you don't have to set up an IMAP account
your mailbox on the server. From here you can read,on each of their computers. You can simply set up an
reply to, forward or delete mail you have received,alias called "sales" that forwards to all three of their
or generate and send new messages. All of this isaddresses, and each will instantly get a copy when an
done through a mail program running on the serveremail is received. However, if you have two
such as Horde, Squirrelmail, or NeoMail, or a customemployees named Bob Smith and Bob Jones, you
interface like those used by Yahoo!, GMail, etc. Someprobably don't want to go to both and In that case it
servers even offer you the option of logging inwould be better to have unique aliases like "bobs"
through different mail programs, depending on whichand "bobj".
one you like better. You can access web-based mailCan an alias forward mail to an address outside my
from anywhere in the world where you have internetdomain?
access.Yes. Say you've had a Hotmail email account for
Whenever you use a web-based interface toyears and you've just set up hosting for a new
manage your mail, you are accessing the contents ofdomain name. You want to be able to receive email
your mailbox on the server directly. If the serverto your new domain, but you really don't want to
allows you 20 megabytes of disk space for yourcheck multiple accounts. You can set up an alias in
mailbox, then that is the maximum amount of mailyour hosting control panel that automatically forwards
you can have in your box at any one time. If you fillall mail sent to to No mail will pile up on your web
up all of that space, then you will not be able toserver, it will simply pass through it like a waypoint
receive any more mail until you delete somebefore being redirected to your Hotmail account.
messages or get your host to give you moreWhat is a default or catch-all account?
storage space, so your ability to archive messages isWhenever you set up a web hosting account, you
limited. If you delete a message, then it is goneautomatically have one user account, the default
forever. Web-based mail is fairly slow because youruser, even if you don't set up any others. This user's
computer is continuously making connections with themailbox is usually set up as a catch-all, meaning that it
mail server, and most web-based mail programs havewill receive any email that ends with that doesn't go
fairly limited features.to a specific named account. It usually looks like If
2. Email Clients: You are probably familiar with emailthe only user account you set up is , then that
programs such as Microsoft Outlook or Eudora. Theyaccount will receive only mail sent directly to it. If
are what is known as an email client. Email clients cansome spammer tries to send an email to , it will end
only be accessed from the computer on which theup in the catch-all account.
program is installed, but instead of only being able toMost control panels allow you to change which of
access one server like the web-based mail programs,your accounts is the catch-all, so you could ignore the
an email client can be set up to check multiple emaildefault user and have all mail routed to if you
accounts hosted on different servers at the samewanted. If you really don't care about email sent to ,
time. All you need to check an email address from anhowever, you may also choose to blackhole the
email account are the following settings:catch-all, meaning instantly delete whatever comes
- Usernameinto it, or you can bounce it so that the sender gets
- Passworda message saying that address at your domain does
- POP3 (Incoming Mail) Servernot exist. This is usually a wise choice, since most
- SMTP (Outgoing Mail) Servercatch-all accounts these days are magnets for junk
You already know about the username andmail.
password, and the two mail servers tell your emailWhat is an autoresponder?
client where to find the web hosting server that yourIt's time for you to take that much-needed vacation
account resides on so that it can connect to the mailand you want to make sure that people know you
software on that computer and allow you to sendwon't be answering your messages for a few days.
and receive mail. Whenever you sign up for a webYou can set up an autoresponder in your control
hosting account, the hosting provider will tell youpanel for a particular user account so that anyone
what the names of these servers are, and they arewho sends you an email, gets an instant programmed
usually related to your domain name. A typical POP3reply. You simply select the account you want to
server name would be orcreate the autoresponder for, type up the message
The SMTP (Simple Mail Transfer Protocol) server is ayou want everybody to get, then save it. When
separate part of the server's mail software whichyou're ready to stop it and answer your own
handles outgoing email. Its name might look like ormessages again, you can either turn the
Most servers require you to check your incoming mailautoresponder off or delete it, depending on the
first, and thus verify your identity with yourtype of control panel you have.
password, before they will allow you to send mailOne problem with autoresponders, however, is that
out. On average servers will store this verification forthey automatically respond to everything. If someone
30 minutes before requiring you to check your mailelse who has an autoresponder turned on sends you
again. Some internet service providers (ISPs), such asan email, the two servers will quickly wind up in an
Earthlink and SBC, may require you to use theirautoresponder war and both mailboxes will fill up with
corporate SMTP servers instead of the one set upthousands of messages until they reach their disk
with your domain, in order to help them control junkspace limit or one of the autoresponders is turned
email being sent out through their network. You canoff.
find out what their SMTP server is by contacting theConclusion
ISP's technical support or looking it up on theirNow that you know how email works, hopefully
website.you've found something that makes your job a little
A key difference in how an email client workseasier or clears up a problem you were having. The
compared with a webbased interface is that thenext time your computer says your password is
email client downloads the contents of the mailbox toincorrect or that it can't connect to the POP3 server,
your computer's hard drive and removes them fromyou at least have an idea what that means and why
your mailbox on the server. This way, you can storeit might be happening, and you can convey that to
as much old email as your hard drive can hold andthe technical support person who is helping you or
you rarely have to worry about your disk space onfiddle around with your settings and try to fix it
the server getting full as long as you check your mailyourself. Either way, next time you'll be able to get
frequently. If you go a long time without checkingback to business faster!