Typically, autoresponders offer paid services to companies that send bulk emails or newsletters to subscribers. In order to use the advanced functionality of these services, you must pay a fee, ...

PDF is a read-only file format that's specifically used for the Adobe Reader application. Because you need the Adobe Reader app to view PDFs, some websites, such as LinkedIn, don't allow PDF files to ...

“Is there any way to password-protect and lock a sensitive PDF file before sending it as an attachment through email? I cannot afford Adobe Acrobat Pro and free primopdf didn’t work for me. Any help ...