Open the email containing the document to sign, tap on the document attachment as usual to preview it within the Mail app (the document can be PDF or otherwise) then tap the toolbox icon. Tap on the Signature button in the lower right corner of the Markup preview. Use a finger on the touch screen to sign the document as usual, then tap on “Done”.What is Netscape Mail client?
Brief Introduction to Netscape: Netscape is a cross platform email client launched in 1998 by AOL which supports IMAP, POP3 & SMTP along with multiple account support. The popularity of Netscape declined and as a result from March 2008, Netscape is no longer supported or used.