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- August 6th
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domain address, software, email, internet, research,
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Although based on the simple BOOTP protocol, the DHCP protocol client/server exchange is a little more complicated. Both sides communicate using a set of messages, as listed here:
DHCPDISCOVER—The client broadcasts this message to locate DHCP servers.
DHCPOFFER—The server uses this message type to offer a set of configuration parameters to the client.
DHCPREQUEST—A client can use this […]
Similar to BOOTP, DHCP uses a request/reply mechanism, and the packet format is almost the same for both to provide for backward compatibility. The layout of the packet used by DHCP looks very much like the layout of the BOOTP packet, with a few exceptions. The first 11 fields are the same. However, the last […]
Many small- to medium-sized networks use the router that provides Internet access as a DHCP server, using it to provide network addresses to client PCs. Configuring a router to act as a DHCP server is not difficult (most routers are configured to provide IP addresses by default), but you should be familiar with the process […]
Next the wizard asks you where the database files for the Active Directory should be stored. It is suggested that you put these files on a disk other than the one that holds the operating system. This increases performance, because both the operating system and the Active Directory, in a larger network, will probably be […]
Okay, it’s time to illustrate how the AD installation process works under Windows Server 2003. The example here is based on the Enterprise edition, but the process is similar for all other Windows Server 2003 variants (except for the web edition). To install the Active Directory on Windows Server 2003, follow these steps:
The first window […]
Mobile technologies are not new; it has been possible for many years to access the Internet for e-mail using a laptop connected via a modem. With the ongoing convergence of devices, we are now seeing a range of hybrid devices combining PDA features such as calendar, address list, task list and office tools with phone […]
These approaches seek to prove the sender of the e-mail is legitimate — that senders are who they say they are. The SMTP standard used for e-mail allows any computer user to send e-mail claiming to be from anyone, so its easy for spammers to send e-mails from forged addresses. Authentication uses different methods, which […]
You can see that the options in text e-mails are limited. However, in HTML e-mails there is much more scope for emphasis - which is perhaps one of the reasons why, in many markets, HTML e-mails receive higher response rates. With HTML we can use the options for text e-mails listed above, but also:
text formatting […]
Blacklists are lists of known spammers, such as those reported to Spamhaus Project (www. spamhaus.com) or SpamCop (www.spamcop.net). If a recipient is on the blacklist, it is deleted or put in the junk-mail folder. Blacklists are often used in conjunction with filters to block e-mails. One of the most widely used systems is that developed […]
We will examine the arguments for and against global branding. The decision whether to standardize or adapt the brand by varying the marketing mix elements is a major one for any organization operating outside its home environment. Standardization through global branding allows the organization to maintain a consistent image and identity throughout the world. It […]
In the 1990s, online brands evolved with amazing speed. Yahoo! took just five years to become a global brand, whereas Coca-Cola took fifty. Now that the online market has matured, the degree of clutter means that brands find it harder to stand out from the crowd. In addition, the anonymity of the Internet medium me […]
To evaluate and improve e-mail marketing requires good reporting capabilities, and for me this is a key differentiator between e-mail management services. Almost all packages should report these basic campaign metrics:
i. number of e-mails broadcast
ii. deliverability rate
iii. open rate (unique and total)
iv. clickthrough rate (unique and total)
v. unsubscribe rate for campaign.
Note that some of the […]
There is a variety of e-mail readers in which the e-mail may be displayed, so we need to check that the e-mail template designers have designed the HTML such that it is rendered as intended in as many of these as possible. We have to consider both web-based e-mail readers and e-mail reader applications.
Of the […]
To send a message to someone, double-click the buddy’s name to open a message window, type the message, and click the Send button. AIM pops up a window on the recipient’s machine, plays a little song, and you and your buddy can type back and forth. When done, close the message window.
Unless you are a […]
Sending someone an instant message is the online equivalent of walking up to someone on the street and starting a conversation. If it’s someone you know, it’s one thing; if not, it’s usually an intrusion.
Unless you have a compelling reason, don’t send instant messages to people you don’t know who haven’t invited you to do […]
You can forward e-mail to someone else. It’s easy. It’s cheap. Forwarding is one of the best things about e-mail and at the same time one of the worst. It’s good because you can easily pass along messages to people who need to know about them. It’s bad because you (not you personally, but, um, […]
Instant Messaging (IM) lets you type short messages that appear in a window on someone else’s computer. It’s faster than e-mail, but slightly less intrusive than a phone call, and so far few people have their secretaries screen their IMs.
This chapter describes how to use the most popular IM systems: AOL Instant Messenger, Windows or […]
Your ISP or Web-based mail service may place a limit on the size of your mailbox (the place on their server where your messages are stored until you pick them up). Gmail, Google’s invitation-only Web-mail system, has a high limit (at least 1GB), so other mail systems have been increasing their limits to match, but […]
