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Email Client

March 19, 2014 - By 

An email client is a software which enables users to interact with email messages. It is also called an email reader or Mail User Agent (MUA). A user can configure one or more email addresses on the email client and use it as a central interface to handle receiving, composing, and sending emails conveniently. An email client can be web-based, like Gmail or Yahoo, or it can be a desktop email client like Microsoft Outlook.

For an email client to function, the user has to configure an email address on it. This involves specifying the email address itself, the Post Office Protocol (POP), Internet Message Access Protocol (IMAP), the Simple Mail Transfer Protocol (SMTP) address, email aliases, port number, and other necessary settings.

The email client retrieves new messages from the service provider’s hosted and managed mailbox at intervals set by the user, or whenever the user manually commands it. Receipt of the emails takes place through the mail transfer agent (MTA) of the email service provider. Sending messages, on the other hand, utilises the Mail Submission Agent (MSA) to deliver messages to the destination email address via the service provider’s server.

Not only can email clients handle multiple addresses, but they can also be configured with addresses from different service providers like Microsoft, Gmail, Yahoo, etc.



March 28, 2014 - By 


Email worms are also known as mass mailing worms. An infection by an email worm can occur when the recipient opens an attachment containing a worm. Often the attachments appear to be safe and harmless as they come from a known contact. However it is possible that the sender’s email client have been infected by the worm.

When the attachment containing the worm is opened, the email client gets infected and starts sending worms to all the contacts in the address book of the user. This worm is embedded in the email attachments and spreads rapidly using the infected computers email networks. They spread quickly across several computers so that massive damage can occur easily.

Most email worms include unhealthy routines like stealing the data and passwords, they also carry harmful viruses. To prevent email worms an email attachment should be opened only after verifying its safety with the sender.