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Email Compression

When using Inmarsat FleetBroadband the most cost-effective way to send large attachments over a packet network that is billed by volume or time, is to compress the file with a standard utility such as:

You can then FTP the file to a designated FTP server and alert the recipient by email to retrieve the file locally. Many email clients, when sending such attachments via SMTP will add greatly to the attachment's original size, sometimes by as much as 50%. Compressing attachments is only of benefit if the content is not already compressed and the recipient has a utility to de-compress the attachments.