posted this on August 28, 2012 11:57 AM
Interfolio does not require a writer to submit their recommendation with a signature; however, from our experience working with admissions offices and hiring committees, letters with a signature are preferred and may even be required by the application.
Dossier users can set up a signature requirement with their Interfolio request. That request will be indicated when you attempt to upload the letter, as shown below:
If you aren't comfortable creating an electronic signature, mailing a signed paper copy of your letter to Interfolio is always an option. Mailing a Letter