4 ms·PDFs with e-signatures are very common place now. Have you heard of DocuSign or other similar services?by icedchai 6y agoPDFs with e-signatures are very common place now. Have you heard of DocuSign or other similar services?couchand 6y agoAnd so it is the e-signature, not the DKIM that matters.icedchai 6y agoA signed and scanned PDF is also commonly used, same as an old-school fax-based contract where you sign and send it back. But, yes, the DKIM definitely does not matter for contract purposes.