Attachments & Filtering

CCS takes proactive steps against the spreading of viruses by blocking certain attachment types from the mail servers. Your email will not be deliverable if it contains attachments with certain file extensions (see list below) that may pose a email security risk. If you would like to send a legitimate attachment that has been blocked, please rename the file so it has a different extension. Once the receiver has downloaded the attachment they must change the file name back to the original extension in order to open it.

This is a preventative measure since most email viruses are created with the intention of replicating and spreading at an incredible rate; once the infected attachment is opened the virus is triggered and sends itself to the contacts found in the address book. 

Please note the following:

• The maximum size limit of your email cannot be greater than 20 MB using a thick client such as Thunderbird, 20 MB in Gryph Mail and 5 MB using WEBmail.
• The following list is not exhaustive, other extensions not listed may also be blocked

Examples of Blocked File Extensions