Our e-mail accounts can receive messages up to 20 MB. The precise amount allowable will depend on the attachment. When you add an attachment, the size of a file may increase because transport encodings are automatically added. This means in some cases, attachments that are 17 to 20MB in size may push the total message size above 20MB and the e-mail will not be delivered and will be returned to the sender. Please also note that our mail system doesn't allow us to receive executable files (such as files ending in .exe) that could contain damaging executable code. This will also happen if these files are sent in a zipped (.zip, .tar, .tgz, .taz, .z, .gz) format.