How to activate confidential mode on Gmail You may be a general user of Gmail and only have a personal account to send or receive emails. However, it doesn't grant you access to encrypt emails ...

Gmail, the free email service provided by Google, is capable of sending PDF attachments as long as the total attachment size is under 25MB.

“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 ...