| DO |
DO NOT |
| Use spam filter |
Post your address |
| Use antivirus program and update its signature file regularly |
Answer spam |
| Make file backups on a regular basis |
Open e-mails coming from unknown or distrusted sources |
| Download, execute, or open files from trusted sources only |
Open the attachments of messages with a suspicious or unexpected subject |
| Verify the source before subscribing information and providing email address |
Subscribe from unverified source providing personal email address |