unknown@wiki 【EC】email


Most e-mail is insecure. It should be regarded as insecure unless it has been encoded or encrypted. E-mail is often compared to a postcard in that anyone who receives it can read it. E-mail may also be read if it is stored on servers during transmission.

E-mails are hard to destroy. Many people think that if they delete their e-mail it is gone forever. This is not so as most electronic documents are backed up and recoverable.

Logging. Most software used to operate networks, including web servers, mail servers and gateways, logs transactions and communications. These logs will normally include the e-mail addresses of senders and recipients of e-mail and the time of transmission.

The content of e-mails themselves would not normally be logged but may be stored on mail servers. Similarly, web server logs record information on the sites that people visit.

The keeping of these logs is usually necessary for the routine maintenance and management of networks and systems. System administrators are also capable of reading the contents of e-mails sent and received by the corporate network.

tekkie: コンピュータに詳しい人
savvy: 実際的知識、手腕、機転、常識