PostalMethods, the Web-to-Postal gateway, now supports Open Office documents for sending letters! Supported file extension are: ODT - "Writer" text files ODS - "Calc" spreadsheets ODP - "Impress" presentations ODG - "Draw" drawings ODM - "Writer" master documents ODF - "Math" formulas Use these formats, along with all other supported file types to send letters via e-mail and SOAP Web Service. Read more about the PostalMethods Postal API.