Tag Archives: email server

Email address Spoofing – Someone is Using My address to Send Spam

Someone is Using Your Address to Send SPAM You just got a bounce-back email saying that your email didn’t reach the destination because the recipient doesn’t exist. Nothing unusual, this is something that happens to anybody who is using email regularly; except you didn’t send that email. How could this happen? If you are an email server administrator and many of your users get this kind of bounce-back they all start to complain at once, thinking that your server has been …

How to Improve Internet speed at your Business

… generate an Outlook message of around 18Mb. This 18 Mb will be uploaded to the email server which is the more painful operation on an asynchronous DSL connection (download is 3M but upload is 800K), and then will be again downloaded. If this email is sent to a few people imagine the connection bottleneck created. Using a Caching Proxy could save you Money If after all of the previous steps your business is still too slow you can implement a Caching Proxy. A Caching Proxy Server is an extremely …

Preventing Domain Name Spam

… is actually very long but I won’t include here all of the addresses. Other possible entries in the dictionary are common names and different combination of these names. Let’s take for instance the name John Doe. A few possible combinations and the most used are: john.doe@company.com, j.doe@company.com, john.d@company.com, johndoe@company.com, etc… What can you do to discourage and stop this kind of spam? Set up your email server so it will not accept too many emails from the same server …