Supported File Types
The following table lists file types supported as attachments by the InterFAX service. See also System Limitations for unsupported file behaviors.
Note: Attempting to send a file with an extension which is not its native extension, as defined below, will result in a rendering error.
| Document Extension | File Type | MIME type |
|---|---|---|
| Adobe Acrobat (Version 7) | application/pdf | |
| TXT | ASCII Plain Text | text/plain |
| HTM/HTML** | HTML files Note that HTML is opened and converted to faxes using Internet Explorer v10. | text/html |
| MHT** | MHT web archive files; HTML with embedded images Note that HTML is opened and converted to faxes using Internet Explorer v10. |
message/rfc822 |
** HTML documents are rendered using MS Internet Explorer, with page margins set to 10.16mm (left, right, top, and bottom)
| Standard Resolution | Fine Resolution | |||
|---|---|---|---|---|
| Width | Height | Width | Height | |
| A4 | 1,728 | 1,169 | 1,728 | 2,338 |
| Letter | 1,728 | 1,100 | 1,728 | 2,200 |
| Legal | 1,728 | 1,400 | 1,728 | 2,800 |
| B4 | 2,048 | 1,357 | 2,048 | 2,714 |